reconfigurable procedural compartments.

专利摘要:
reconfigurable procedural compartments. biomass (eg plant biomass, animal biomass, and municipal waste biomass) and other materials are processed to produce useful intermediates and products such as energy, fuels, food or materials. for example, systems and methods are described that can be used to treat raw materials, such as cellulosic and/or lignocellulosic materials, in a cavity in which the walls and, optionally, the ceiling include discrete units. such cavities are reconfigurable.
公开号:BR112015019241A2
申请号:R112015019241-6
申请日:2014-03-07
公开日:2020-10-20
发明作者:Medoff Marshall；Marshall Medoff；Craig Masterman Thomas；Thomas Craig Masterman；Paradis Robert；Robert Paradis
申请人:Xyleco, Inc.；
IPC主号:

专利说明:

[1] [1] This application claims priority from the following provisional applications: US No. 611774,684, filed March 8, 2013; US No. 61 / 774,773, filed March 8, 2013; US No.
[2] [2] Many potential lignocellulosic raw materials are available today, including agricultural waste, woody biomass, municipal waste, oil or masses of seeds and algae, to name a few. Currently, these materials are often underutilized, being used, for example, as animal feed, organic composting materials, burned in cogeneration establishments or even landfilled.
[3] [3] Lignocellulosic biomass includes crystalline cellulose fibrils incorporated into a hemicellulose matrix, surrounded by lignin. This produces a compact matrix that is difficult to access for enzymes and other chemical, biochemical and biological processes. Cellulosic biomass materials (for example, biomass materials from which substantially all of the lignin has been removed) are more accessible to enzymes and other conversion processes, but even so, naturally occurring cellulosic materials often have low yields (with respect to theoretical yield) when in contact with hydrolysis enzymes. Lignocellulosic biomass is even more recalcitrant to enzyme attack. In addition, each type of lignocellulosic biomass has its own specific composition of cellulose, hemicellulose and lignin. SUMMARY
[4] [4] In general, the inventions relate to compartments for treating materials, such as biomass. This invention also relates to equipment, methods and systems for the production of products from materials, such as biomass material. Increasing flow and safety, and reducing costs associated with biomass treatment, are important goals in the development of useful and flexible processes and manufacturing. In methods that involve irradiation, risks can be mitigated by involving irradiation in a cavity. For example, the cavity can be constructed from easily reconfigurable units or parts that are opaque to radiation, such as concrete of sufficient thickness. In general, the methods disclosed in this document include treating a recalcitrant biomass with electron beams in a cavity and then biochemically and chemically processing the reduced recalcitrance material to, for example, ethanol, xylitol and other products.
[5] [5] In one aspect, the invention relates to a material treatment facility (for example, biomass) that includes a cavity with walls, ceiling and a base. The cavity limits can contain / you can place within the cavity limits a material transport system (for example, a vibrating conveyor) configured to transport a material (for example, a biomass material or material containing hydrocarbon), through a radiation field, for example, under an electron beam. Optionally, each of the walls
[6] [6] In certain implementations, the electron irradiation device is supported by the cavity roof. In certain cases, the electron irradiation device can weigh at least 5 tons (for example, at least 6 tons, at least 7 tons, at least 8 tons, at least 9 tons, at least 10 tons, between about 5 and 20 tonnes).
[7] [7] In certain implementations, the cavity includes a door that is substantially opaque to radiation, for example, constructed from materials that include lead and steel. Optionally, the door includes a steel interior in contact with a front layer and a back layer that includes lead.
[8] [8] In certain cases, the cavity is reconfigurable. Optionally, the walls include interlocking blocks and the ceiling comprising ceiling panels.
[9] [9] In certain implementations, the cavity walls are configured to support an I-beam network. The I-beam network can support a ceiling, for example, ceiling panels or other ceiling units.
[10] [10] In certain implementations, the walls, the ceiling and the foundation have a thickness of at least 1.20 m (for example, a thickness of at least 1.50 m, a thickness of at least 1.80 m, a thickness between 1.20 m and 3 m) Optionally, the installation includes a base that includes a concrete slab. Optionally, several slabs are used in an installation.
[11] [11] In certain implementations, the installation includes an opening for continuous supply of biomass into the cavity and to the conveyor. Optionally, the facility also includes openings for a continuous loop conveyor for the continuous removal of biomass from the conveyor and out of the cavity.
[12] [12] In another aspect, the invention relates to a method for treating a material (for example, a biomass material, a material containing hydrocarbon). The method includes irradiating the material with an electron beam, in a cavity with a base, walls and a ceiling. Optionally, each of the walls includes a plurality of discrete units and, optionally, the ceiling includes a plurality of discrete units.
[13] [13] In certain examples, the biomass material that is treated is a lignocellulosic material in the form of wood or laminate. In other examples, the material to be treated is selected from a group consisting of wood, particle board, sawdust, agricultural waste, sewage, silage, grasses, rice husks, bagasse, cotton, jute, hemp, linen, bamboo, sisal, abakan, straw, ears of corn, corn straw, millet, alfalfa, hay, coconut hair, kelp, seaweed, and mixtures thereof.
[14] [14] Optionally, the cavity is reconfigurable. In some instances, the cavity is reconfigured after irradiation of the biomass, and then a second biomass is irradiated in the reconfigured cavity.
[15] [15] In some implementations, the cavity walls used to treat the biomass material include interconnected concrete blocks. Optionally, the walls support a network of I beams and the network of I beams support the ceiling (for example, discrete ceiling panels or other ceiling units) as well as the radiator. In certain cases, the walls, ceiling and base include concrete and concrete can be normal concrete, high density concrete, prestressed concrete, concrete containing lead, concrete containing rebar and combinations thereof.
[16] [16] One of the advantages of using discrete units in the construction of structures, for example, cavities, as used in the methods disclosed in this document, is that damaged units can be easily replaced. Another advantage is that modifications to the structure to accommodate process changes and changes in equipment requirements can be relatively simple. The entire structure (or structures) can even be dismantled and reassembled (for example, in another location). Consequently, for example, construction structures are reconfigurable, both as new structures (for example, different in shape and / or proportions) and similar structures (for example, similar in shape and proportions). The recycling of material at the end of the structures' life can also be facilitated, and the units can be sold or reused for structural uses. In addition, the value of the property is maintained, since after dismantling and removing the structures, the land is returned to its original state.
[17] [17] Implementations of the invention may optionally include one or more of the following summarized features. In some implementations, the selected features can be applied or used in any order, while in other implementations a specific selected sequence is applied or used. Individual resources can be applied or used more than once in any sequence and even continuously. In addition, an entire sequence or a portion of a sequence of applied or used resources can be applied or used once, repeatedly or continuously in any order. In some optional implementations, resources can be applied or used with different, or where applicable, adjusted or varied, quantitative or qualitative parameters as determined by a person skilled in the art. For example, parameters of characteristics such as size, individual dimensions (for example,
[18] [18] Features, for example, include: a treatment facility that includes a cavity with walls, a ceiling and a base; a cavity maintained at an internal pressure different from the nominal atmospheric pressure; a cavity maintained at a pressure lower than atmospheric pressure; a cavity that contains a transport system configured to transport biomass under an electron beam; a cavity with walls that include a plurality of discrete units; a cavity with a roof that includes a plurality of discrete units; a cavity that is reconfigurable; an electron irradiation device supported by the roof of a cavity and arranged to radiate biomass transported by a conveyor system; an electron irradiation device weighing at least 5 tons, supported by the roof of a cavity and arranged to radiate biomass transported by a conveyor system; an electron irradiation device weighing at least 10 tons, supported by the roof of a cavity and arranged to radiate biomass transported by a conveyor system; an electron irradiation device weighing between 5 and tons, supported by the roof of a cavity and arranged to radiate biomass transported by a conveyor system; a cavity that includes a base comprising a concrete slab; a cavity in which the walls include interlocking blocks; a cavity in which the walls support a network of I beams and the network of beams I supports ceiling panels; a cavity in which the walls, ceiling and foundation are at least 1.20 m thick; a cavity in which the walls, ceiling and foundation are at least 1.20 m thick; a cavity in which the walls,
[19] [19] Other features and advantages of the invention will become apparent from the following detailed description, and from the claims. DESCRIPTION OF THE FIGURES
[20] [20] FIG. 1 is a perspective view of a cavity, with a roof, base and front wall cut to show the interior.
[21] [21] FIG. 2 is a side view of the cavity shown in FIG. 1, with the roof added.
[22] [22] FIG. 3 is a top view of the cavity shown in FIG. 1.
[23] [23] FIG. 4A is a perspective view of a cavity, shown without its interior components. FIG. 4B is an enlarged detail view of a cavity wall, FIG. 4C is a perspective view of the cavity showing the roof and various ducts.
[24] [24] FIG. 5A is an exploded perspective view of two discrete units that can be used in the construction of a cavity, while FIG. 5B is a top view of the units. DETAILED DESCRIPTION
[25] [25] Using the methods and systems described in this document, cellulosic and lignocellulosic raw material materials, for example, which may come from biomass (eg plant biomass, animal biomass, paper and biomass from municipal waste) and which are often readily available, but are difficult to process, can be turned into useful products (for example, sugars, such as xylose and glucose, and alcohols, such as ethanol and butanol). Included are methods and systems for treating material such as biomass with radiation in a cavity with discrete units.
[26] [26] For example, processes for manufacturing sugar solutions and products described therein are described in this document. Such processes may include, for example, optionally mechanically treating a cellulosic and / or lignocellulosic raw material. Before and after this treatment, the raw material can be treated with another physical treatment, for example, irradiation, vapor explosion, pyrolysis, sonication and / or oxidation to reduce or further reduce its recalcitrance. A sugar solution is formed by saccharising the raw material through, for example, the addition of one or more enzymes. A product can be derived from the sugar solution, for example, by fermentation of an alcohol. Further processing may include purifying the solution, for example, by distillation. If desired, the steps for measuring the lignin content and configuring and adjusting process parameters (eg irradiation dosage) based on this measurement can be performed at various stages of the process, for example, as described in U.S. Patent No.
[27] [27] Since the recalcitrant reducing treatment step can be a high energy process, the treatment can be carried out in a cavity to contain the energy or products derived from the energy process. For example, the cavity can be configured to contain thermal energy, electrical energy, radioactive energy, explosion energy, gases and combinations of these.
[28] [28] If treatment methods for reducing recalcitrance include irradiation of raw materials, the cavity may be made of materials opaque to radiation. Several processes can occur in biomass when electrons from an electron beam interact with matter in inelastic collisions. For example, ionization of the material, polymer chain fission in the material, crosslinking of polymers in the material, oxidation of the material, generation of X-rays ("Bremsstrahlung") and excitation by vibration of molecules (for example, generation of a phonon). Without being linked to a particular mechanism, the reduction in recalcitrance may be due to several of these effects of inelastic collisions, for example, ionization, polymer chain fission, oxidation and phonon generation. Some of the effects (for example, especially the generation of X-rays), require shielding and engineering barriers, for example, enclosing the irradiation processes in a concrete cavity or other opaque material (s) radiation. Another irradiation effect, vibrational excitation, is equivalent to heating the sample and can cause the release of volatile organic compounds (VOCs). In addition, if irradiation occurs in the air, ozone can be generated. Confining the irradiation process to a cavity can therefore also mitigate unwanted exposure to ozone and VOCs.
[29] [29] Figure 1 is a perspective view of a cavity to radiate a material (for example, a biomass material) showing some aspects of the structure. For example the walls 110 include discrete units, for example 112. The walls are built on a concrete slab 120. The cavity contains a biomass transport system with two conveyors 130 and 140, which are generally perpendicular to each other. The conveyors can be coated or confined vibrational conveyors, and the conveyor 130 can have a cross-sectional outlet for the second conveyor 140. The conveyors and any other equipment can be mounted on the rails 150 and 155. The rails are mounted on the floor concrete and can extend out of the cavity, towards the outside or to another structure (for example, another cavity). Parts of the irradiation devices are displayed, for example the check rod 160, portal or vacuum channel 165 and the electron accelerator 170. The irradiation device is supported by the ceiling, which is not shown in FIG. 1, but is shown in FIG. 2. The cavity includes port 180 constructed of opaque radiation materials (for example, lead or steel). The cavity also includes other openings, for example, to transport biomass into the cavities, for example, pipes included as part of a pneumatic conveyor connected to an inlet 135 of a conveyor 130 and an outlet (not shown in the figure) of a conveyor 140. Ventilation openings, for example, for pipe 190, can also be included. Notches on the walls can accommodate I slots (for example, H beams) configured to support the ceiling, for example, notches 192 and 194. Systems are generally constructed so that there are no openings "for sunlight". For example, the openings are such that there is no direct route for any radiation to pass through. Optionally, avoiding such "sunlight" openings can be achieved by making the openings that undergo one or more course changes, such as one or more 90 degree bends in the path of any pipes or conduits leading to or come out of the cavities. The openings or conduits can also be lined or thickened with lead, for example, in addition to having folds in the pathways of these conduits, so that no radiation escapes. To improve the life of the structures, the interior surfaces (for example, concrete blocks) can be coated or covered with corrosion resistant material, such as stainless steel.
[30] [30] Cavities can be designed to contain any process gas, for example, where the walls have reduced porosity to any gases. The porosity of the walls can be reduced by infusing block materials. For example, concrete with lower permeability can generally be achieved by replacing between 25 to 65% per cent of slag cement with Portland cement. Finely divided solids (eg lime, silicates and colloidal silicone)
[31] [31] FIG. 2 is a side view of the cavity shown in FIG. 1, with the roof added. Figure 2 shows concrete roof tiles 210 that are supported by a lattice, spider or I-beam web (see FIG. 4A). The electron accelerator 170 is mounted on the ceiling, outside the cavity. A stainless steel vacuum channel provides a high vacuum pathway for electrons to pass from the accelerator located outside the cavity to the inside of the cavity and includes a tube 165. The tube 165 passes through the roof and is operationally connected to the accelerator 170 and the check rod 160.
[32] [32] FIG. 3 is an upper side view of the cavity shown in FIGS. 1 and 2. The ceiling is not included in the figure so that the components in the cavity and the walls can be seen. The discrete units of the walls are shown clearly, for example 112. The electron accelerator 170 is shown in electrical connection through the electrical conduit
[33] [33] FIG. 4A is a perspective view of a cavity to radiate a material (for example, a biomass material). The cavity is similar to the cavity shown in FIGS 1-3, except that the cavity has extra doors (for example, doors 180 on opposite sides of the cavity). A possible arrangement of I beams that supports the ceiling is shown. The walls have notches to accommodate the beams I. FIG. 4B is an enlarged detail view of a cavity wall shown in FIG. 4A; FIG. 4B shows a beam 1410 placed in slot 430. In this embodiment, the walls can be 1.80 in thickness, I beams can measure 10 by 5 inches, the roof tiles can be 1.2 m thick and the outer perimeter of the cavity can be 34 by 34 square inches. In order to support the radiator and roof tiles, beams 440, 442, 444, and 446 are arranged in a tight square of 1.80 m by 1.80 m. Using the measurements listed above and the configuration outlined for the cavity shown by FIG. 4A, the finite element analysis shows that the arrangement allows support of roof tiles and a 10 ton radiator.
[34] [34] FIG. 4C is a perspective view of the cavity shown in FIG. 4A with the roof tiles shown in outline. This view excludes the irradiation device and other equipment, such as tubes, to more clearly illustrate the wall units and ceiling tiles. An opening 450 for a vacuum channel (for example, the channel 165m, as previously described) is represented. Opening 470 can be for a ventilation system, for example with optional pollution control systems. The opening 460 can be for a conduit (for example, an entrance to the biomass cavity) in communication with the conveyor 130 through the entrance 135. The openings 480 and 490 can be openings for a continuous loop transport system (for example, pneumatic transport) used to remove biomass after treatment.
[35] [35] FIG. 5A is an exploded perspective view showing two discrete units 112 that can be used to construct the walls of a cavity. Each of the units includes tongues and grooves that help to align the units during assembly and keep the units aligned once they have been incorporated into the structure. In the example shown, the units include an upper tongue 530, side tongue 540, and side groove 550. The units may also include a loop 560 for attachment with a hook (for example, formed of steel) that can assist in lifting the unity. FIG. 5B is an upper side view showing the same elements. A bottom side view of 112 would be similar to the top side view, were it not for the fact that the 530 tongues are replaced by the corresponding grooves (for example, the bottom surface would include indentation in the unit instead of protrusion).
[36] [36] In addition to the units, as shown in FIG. 5, the discrete units can be in a variety of interconnecting ways. For example, its two-dimensional projection can be selected from 17 groups of translational symmetry or can be configured in a more random arrangement of interconnecting units or combination of units. The tongue and groove can be replaced by other methods of fixing the units in place, for example, external fasteners, binders, adhesives, mortar, plugs (for example, made with rebar), complementary joining methods such as fitting and tendon , swallowtail joints and fingerprints. Some of the units can be specially machined or designed for a specific purpose, for example, grooved as previously discussed, to support an I-beam, may have holes to accommodate transport systems (eg pipes, conveyors), and be provided with locks (for example, hinges, hooks, screws). Ceiling units can also be designed in a number of interconnecting ways.
[37] [37] The cavities used for irradiation of the material are preferably constructed from materials that are structurally resistant and opaque to radiation, for example concrete, stainless steel, lead, dust and combinations thereof. Concrete, for example, can be normal concrete, high-density concrete, prestressed concrete, concrete containing lead, concrete containing rebar and combinations thereof. For example, the semi-reducing thickness of the concrete is about 2.4 inches, so that at a thickness of 1.20 m the radiation will be reduced at least 1 million times with respect to the original force. For a dose of 250 kGy applied inside the structure, the resulting radiation outside the structure, assuming an F-factor of 1.0, will be 0.25 microrem, well below safe limits. The cavity thickness can be modified as needed. For example, the wall thickness can be at least 0.6 m (for example, at least 0.9 m, at least 1.20 m, at least 1.50 m, at least 1.80 m, between 0 , 6 m and 3.6 m, between 1.20 m and 3 m, between 1.2 m and 2.4 m). In addition to the walls, floors and ceilings, the cavities may have doors made of materials opaque to radiation. The materials can be layered, for example, doors can be made as layers of about 1 "of lead plus about 6" of steel plus about 1 "of lead.
[38] [38] With regard to structural resilience, the cavities are preferably designed to withstand usual and unusual exterior elements. For example, cavities must be able to withstand a seismic event of at least 6, tsunamis, hurricanes, tornadoes and floods.
[39] [39] The cavities can be built on a concrete slab. Since the entire structure, including associated equipment, can be quite heavy (for example, greater than about 10 tons, greater than about 20 tons, greater than about 30 tons, greater than about 40 tons, greater than about 50 tons, greater than about 100 tons, greater than about 500 tons), the concrete slab must be at least 1.2 m thick (at least 1.50 m, at least 1.80 m, between 1 , 2 m and 6 m, between 1.2 m and 3 m). In addition, the concrete slab can be reinforced by metal bars (for example, rebar).
[40] [40] The walls can be built from concrete blocks, for example, interlocking concrete blocks. For example, cement can include Portland cement, sand, water, rebar, lead, construction aggregates (e.g. crushed stone, gravel, steel, slag, recycled concrete, geosynthetic aggregate, large aggregate, small aggregates) and combinations thereof. The compressive strength of the blocks should be between about 2500 and 6000 psi (for example, between about 3000 and 5000 psi, between about 3500 and 4500 psi, between about 4000 and 5000 psi). The flexural strength of the blocks can be between about 500 psi and 1500 psi (for example, between about 500 and 1000 psi, between about 550 psi and 800 psi). The density can be at least about 1500 kglm3 (for example, at least about 2000 kglm3, at least about 2500 kglm3, at least about 3000 kglm3, at least about 3500 kglm3, at least about 4000 kglm3, at least at least about 4500 kglm3, at least about 5000 kglm3, or even high, for example, at least about 6000 kg / m3, at least about 7000 kglm3, at least about 8000 kglm3, at least about 9000 kglm3) . Preferably, the blocks are made with high density concrete, for example, which can come from natural heavy-weight aggregates, such as barites or magnetites, which typically give a density of between about 3500 kglm3 and 4000 kglm3 respectively. In some embodiments, iron or lead can replace at least a portion of the aggregates, giving even greater densities, for example 5900 kglm3 for iron or 8900 kg / m3 for lead.
[41] [41] The volume of each discrete unit can be between about 6 ft3 - 50 ft3 (for example, between about 8-24). Preferably, the blocks are generally rectangular in shape, for example, about 0.6 m high by 1.8 m wide by 0.6 deep, 0.6 m high by 1.5 m high by 0 , 6 deep, 0.6 m high by 1.2 m wide by 0.6 deep, 0.6 m high by 0.6 wide by 0.6 deep). The blocks can also be much larger, for example, configured as sheets and tiles with larger volumes (for example, between about 50 and 200 cubic feet) for example about 10 feet high by 6 feet wide by 2 feet deep , 6 feet high by 6 feet wide by 2 feet deep, 4 feet high by 6 feet wide by 2 feet deep). For example, you can use the Nelco MEGASHIELDTM Modular Concrete Block System (Burlington, MA).
[42] [42] The cavities can be configured or reconfigured to any useful format. For example, cavities can be dome shaped, pyramid shaped, tetragonal shaped, cone shaped, cone shaped, triangular prism shaped, rectangular prism shaped or combinations thereof. Many of the cavities can share common walls. The cavities can be optionally arranged in a series of cavities. Once the cavity has been configured to a desired shape, it can be used for a while and optionally can then be modified (for example, reconfigured) by adding more discrete units or reassembling part or all discrete units in a different configuration. For example, a tetragonal shaped cavity can be reconfigured into a cube shaped cavity.
[43] [43] The cavities can be partially or fully immersed in dust, source rock, clay, sand and water. The cavities can be constructed so that they can be transported from site to site, for example, as part of a biomass processing facility, as described in the US Patent. n. 8,318,453, the disclosure of which is incorporated by reference in this document.
[44] [44] More details and reiterations of processes, equipment and systems to treat the raw material can be used, for example, with the modalities already discussed above, or in other modalities, described in the following disclosure. RADIATION TREATMENT
[45] [45] The raw material can be treated with radiation to modify its structure to reduce its recalcitrance. Such treatment can, for example, reduce the average molecular weight of the raw material, change the crystalline structure of the raw material and / or increase the surface area and / or porosity of the raw material. The radiation can be, for example, an electron beam, ion beam, 100 nm to 280 nm ultraviolet (UV) light, gamma radiation or X-ray. Radiation treatments and treatment systems are discussed in US Patent No. 8,142,620 and US Patent Application Series No. 121417,731, with full disclosures being incorporated into this instrument by reference.
[46] [46] Each form of radiation ionizes biomass through particular interactions, as determined by the radiation energy. Heavy charged particles first ionize matter through Coulomb dispersion; in addition, these interactions produce energetic electrons that can additionally ionize matter. Alpha particles are identical to the nucleus of a helium atom and are produced by the alpha decline of several radioactive nuclei, such as isotopes of bismuth, polonium, astatin, radon, francium, radium, various actinides, such as actinium, thorium, uranium, netunium , curium, californium, americium and plutonium. Electrons interact through Coulomb dispersion and braking radiation produced by changes in electron speed.
[47] [47] When particles are used, they can be neutral (no charge), positively charged or negatively charged. When charged, the charged particles can carry a single positive or negative charge, or multiple charges, for example, one, two, three or even four or more charges. In cases where a chain split is desired to change the molecular structure of the carbohydrate-containing material, positively charged particles may be desirable, in part, due to their acidic nature. When particles are used, the particles can have the mass of an electron at rest, or greater, for example, 500, 1000, 1500, or 2000 or more times the mass of an electron at rest. For example, particles can have a mass from about 1 atomic unit to about 150 atomic units, for example, from about 1 atomic unit to about 50 atomic units, or from about 1 to about 25, for example, 1, 2, 3, 4, 5, 10, 12 or 15 atomic units.
[48] [48] Gamma radiation has the advantage of a significant penetration depth in a variety of material in the sample.
[49] [49] In modalities in which irradiation is carried out with electromagnetic radiation, electromagnetic radiation may have, for example, energy per photon (in electron volts) greater than 102 eV, for example, greater than 103, 104, 105, 106, or even greater than 107 eV. In some embodiments, electromagnetic radiation has energy per photon between 104 and 10 ', for example, between 105 and 106 eV. Electromagnetic radiation can have a frequency of, for example, more than 1016 Hz, more than 1017 Hz, 1018, 1019, 1020, or even more than 1021 Hz. In some embodiments, electromagnetic radiation has a frequency within 1018 and 1022 Hz, for example, between 10'9 to 1021 Hz.
[50] [50] Electron bombardment can be performed using an electron beam device that has a nominal energy less than MeV, for example, less than 7 MeV, less than 5 MeV or less than 2 MeV, for example, from about 0.5 to 1.5 MeV, from about 0.8 to 1.8 MeV, or from about 0.7 to 1 MeV. In some implementations the nominal energy is around 500 to 800 keV.
[51] [51] The electron beam can have a relatively high total beam power (the combined beam power of all accelerator heads, or, if multiple accelerators are used, of all accelerators and all heads), for example, at least 25 kW, for example, at least 30, 40, 50, 60, 65, 70, 80, 100, 125 or 150 kW. In some cases, the power is as high as 500 kW, 750 kW or even 1000 kW or more. In some cases, the electron beam has a beam power of 1200 kW or more, for example, 1400, 1600, 1800 or even 3000 kW.
[52] [52] This high total beam power is generally achieved when using multiple acceleration heads. For example, the electron beam device can include two, four or more acceleration heads. The use of multiple heads, each having a relatively low beam power, prevents excessive temperature rise in the material, thereby preventing the material from burning and also increasing the uniformity of the dose across the thickness of the material layer.
[53] [53] It is generally preferred that the bed of biomass material is relatively uniform in thickness. In some embodiments, the thickness is less than about 1 inch (for example, less than about 0.75 inches, less than about 0.5 inches, less than about 0.25 inches, less than than about 0.1 inches, between about 0.1 and 1 inch, between about 0.2 and 0.3 inches).
[54] [54] It is desirable to treat the material as quickly as possible. In general, it is preferable that the treatment be carried out at a dose rate greater than about 0.25 Mrad per second, for example, greater than about 0.5, 0.75, 1, 1.5, 2 , 5, 7, 10, 12, 15 or even greater than about Mrad per second, for example, about 0.25 to 2 Mrad per second. Higher dose rates allow for a higher flow rate to the target dose (for example, the desired dose). Higher dose rates generally require higher line speeds to avoid thermal decomposition of the material. In an implementation, the accelerator is set to 3 MeV, 50 mA beam current and the line speed is 24 feet / minute,
[55] [55] In some embodiments, electron bombardment is performed until the material receives a total dose of at least 0.1 Mrad, 0.25 Mrad, 1 Mrad, 5 Mrad, for example, at least 10, 20, 30 or at least 40 Mrad. In some embodiments, the treatment is carried out until the material receives a dose of about 10 Mrad to about 50 Mrad, for example, from about 20 to about 40 Mrad or from about 25 Mrad to about of 30 Mrad. In some implementations, a total dose of 25 to 35 Mrad is preferred, ideally applied over a few passages, for example, in 5 Mradlpassage with each pass being applied for about one second. Refrigeration methods, systems and equipment can be used before, during, after and between radiation using, for example, a refrigerator conveyor screw and a refrigerated vibrating conveyor.
[56] [56] Using multiple heads, as discussed above, the material can be treated in multiple passes, for example, two passes in 10 to 20 Mrad / pass, for example, 12 to 18 Mrad / pass, separated by a few seconds of cooling, or three passes of 7 to 12 Mrad / ticket, for example, 5 to 20 Mrad / ticket, 10 to 40 Mrad / ticket and 9 to 11 Mradlpassage. As discussed in this document, treating the material with several relatively low doses instead of a high dose, tends to prevent overheating of the material and also increases dose uniformity across the thickness of the material. In some implementations, the material is agitated or otherwise mixed during or after each pass and then spread on an even layer before the next pass, to further enhance the uniformity of treatment.
[57] [57] In some embodiments, electrons are accelerated to, for example, a speed greater than 75 percent of the speed of light, for example, greater than 85, 90, 95 or 99% of the speed of light.
[58] [58] In some embodiments, any processing described in this document takes place on lignocellulosic material that remains dry as purchased or that has been dried, for example, using heat and reduced pressure. For example, in some embodiments, cellulosic material and lignocellulosic material have less than 25% by weight of water retained, measured at 25 ° C and 50% relative humidity (for example, less than about 20% by weight) , less than about 15% by weight, less than about 14% by weight, less than about 13% by weight, less than about 12% by weight, less than about 10% by weight , less than about 9% by weight, less than about 8% by weight, less than about 7% by weight, less than about 6% by weight, less than about 5% by weight , less than about 4% by weight, less than about 3% by weight, less than about 2% by weight, less than about 1% by weight or less than about 0.5% in weight.
[59] [59] In some embodiments, two or more ionizing sources can be used, such as two or more electron sources. For example, samples can be treated, in any order, with an electron beam followed by gamma radiation and UV light having wavelengths from about 100 nm to about 280 nm. In some embodiments, the samples are treated with three sources of ionizing radiation, such as an electron beam, gamma radiation and energetic UV light. The biomass is transmitted through the treatment zone, where it can be bombarded with electrons.
[60] [60] It may be advantageous to repeat the treatment to further reduce the biomass recalcitrance and to further modify the biomass. In particular, the process parameters can be adjusted after a first pass (for example, second,
[61] [61] The effectiveness of changing the molecular / supermolecular structure and / or reducing the recalcitrance of the biomass containing carbohydrate depends on the electron energy used and the dose applied, while the exposure time depends on the potency and dose. In some embodiments, the dose rate and total dose are adjusted so as not to destroy (for example, scorch or burn) the biomass material. For example, carbohydrates should not be damaged in processing so that they can be released from biomass intact, for example, as monomeric sugars.
[62] [62] In some embodiments, treatment (with any electron source or a combination of sources) is carried out until the material receives a dose of at least about 0.05 Mrad, for example, at least about 0.1 , 0.25, 0.5, 0.75, 1.0, 2.5, 5.0, 7.5, 10.0, 15, 20, 25, 30, 40, 50, 60, 70, 80 , 90, 100, 125, 150, 175 or 200 Mrad. In some embodiments, treatment is carried out until the material receives a dose between 0.1-100 Mrad, 1-200, 5-200, 10-200, 5-150, 50-150 Mrad, 5-100, 5- 50, 5-40, 10-50, 10-75, 15-50, 20-35 Mrad.
[63] [63] In some embodiments, relatively low doses of radiation are used, for example, to increase the molecular weight of a cellulosic or lignocellulosic material (with any radiation source or combination of sources described in this document). For example, a
[64] [64] It may also be desirable to radiate from multiple directions, simultaneously or sequentially, in order to achieve a desired degree of radiation penetration into the material. For example, depending on the density and moisture content of the material, such as wood, and the type of radiation source used (for example, gamma rays or electron beam), the maximum radiation penetration into the material may be only about 0.75 inch. In such cases, a thicker section (up to 1.5 inches) can be irradiated by first irradiating the material from one side and then turning the material and radiating from the other side. Irradiation from multiple directions can be particularly useful with electron beam radiation, which radiates more quickly than gamma radiation, but normally does not reach such a deep penetration depth. MATERIALS OPAQUE TO RADIATION
[65] [65] As discussed earlier, the invention may include processing the material in a cavity and shelter that is constructed using radiation-opaque materials. In some implementations, radiation-opaque materials are selected to be able to protect x-ray components with high energy (short wavelength), which can penetrate many materials. An important factor in the design of a radiation protection compartment is the attenuation length of the materials used, which will determine the thickness required for a particular material, a mixture of materials or layered structures. The attenuation length is the penetration distance over which the radiation is reduced to approximately 11e (e = number of Eulers) times that of the radiation
[66] [66] In some cases, the radiation-opaque material may be a layered material, for example, having a layer of a material with a higher Z value, to provide good shielding, and a layer of a material with a higher Z low to provide other properties (eg structural integrity, impact resistance, etc.). In some cases, the layered material may be a "grade Z" laminate, for example, including a laminate in which the layers provide a gradation of high Z through successively smaller Z elements. As previously described in this document, in some cases
[67] [67] Radiation-opaque material can reduce radiation by passing through a structure (for example, a wall, a door, a ceiling, a compartment, a series of these or a combination of these) formed of the material by about at least about 10% (eg at least about 20%, at least about 30%, at least about 40%, at least about 50%, at least about 60%, at least about 70%, at least at least about 80%, at least about 90%, at least about 95%, at least about 96%, at least about 97%, at least about 98%, at least about 99%, at least about 99.9%, at least about 99.99%, at least about 99.999%) compared to incident radiation. Therefore, a compartment made of a material opaque to radiation can reduce the exposure of equipment / system / components by the same amount. Materials opaque to radiation may include stainless steel, metals with Z values above 25 (for example, lead, iron), concrete, earth, sand and combinations thereof. Materials opaque to radiation may include
[68] [68] The type of radiation determines the types of radiation sources used, as well as the radiation devices and associated equipment. The methods, systems and equipment described in this document, for example, to treat materials with radiation, can use sources as described in this document, as well as any other useful source.
[69] [69] Gamma ray sources include radioactive nuclei, such as isotopes of cobalt, calcium, technetium, chromium, gallium, indium, iodine, iron, krypton, samarium, selenium, sodium, thallium and xenon.
[70] [70] X-ray sources include electron beam collision with metal targets, such as tungsten or molybdenum or alloys, or compact light sources, such as those commercially produced by Lyncean.
[71] [71] Alpha particles are identical to the nucleus of a helium atom and are produced by the alpha decline of several radioactive nuclei, such as isotopes of bismuth, polonium, astatin, radon, phrenium, radium, various actinides, such as actinium, thorium, uranium, neptunium, curium, californium, americium and plutonium.
[72] [72] Sources for ultraviolet radiation include deuterium or cadmium lamps.
[73] [73] Sources for infrared radiation include sapphire, zinc or selenide ceramic window lamps.
[74] [74] Microwave sources include klystrons, Slevin-type RF sources, or atom beam sources that employ hydrogen, oxygen, or nitrogen gases.
[75] [75] Accelerators used to accelerate particles (for example, electrons or ions) can be DC (for example, electrostatic DC or electrodynamic DC) linear RF, linear magnetic induction or continuous wave.
[76] [76] Electrons can be produced by radioactive nuclei that undergo beta decline, such as isotopes of iodine, cesium, technetium and iridium. Alternatively, an electron gun can be used as an electron source by means of thermionic emission and accelerated through an acceleration potential. An electron gun generates electrons, which are then accelerated through great potential (for example, greater than about 500,000, greater than about 1 million, greater than about 2 million, greater than about 5 million, greater than about 6 million, greater than about 7 million, greater than about 8 million, greater than about 9 million or even greater than 10 million volts) and then magnetically examined at xy plane, where electrons are initially accelerated in the z direction along the accelerator tube and extracted through a blade window. Examining the electron beams is useful for increasing the irradiation surface when irradiating materials, for example, a biomass, which is transported through the examined beam. Examining the electron beam also distributes the thermal charge evenly on the window and helps to reduce the rupture of the blade window due to local heating by the electron beam. Blade window rupture is a cause of significant downtime due to subsequent necessary repairs and restart of the electron gun.
[77] [77] Various other irradiation devices can be used in the methods disclosed in this document, including field ionization sources, electrostatic ion separators, field ionization generators, thermionic emission sources, microwave discharge ion sources, recirculating or static accelerators, dynamic linear accelerators, van de Graaff accelerators and folded tandem accelerators. Such devices are disclosed, for example, in U.S. Pat. No. 7,931,784 to Medoff, the full disclosure of which is incorporated herein by reference.
[78] [78] An electron beam can be used as the radiation source. An electron beam has the advantages of high dose rates (for example, 1, 5 or even 10 Mrad per second), high flow rate, less containment and less containment equipment. Electron beams can also have high electrical efficiency (for example, 80%), allowing for less energy use compared to other radiation methods, which can result in lower operating costs and lower greenhouse gas emissions. greenhouse corresponding to the smallest amount of energy used. The electron beams can be generated, for example, by electrostatic generators, by cascade generators, by transforming generators, by low-energy accelerators with scanning system, low-energy accelerators with linear cathode, linear accelerators and pulsed accelerators.
[79] [79] Electrons may also be more efficient at causing changes in the molecular structure of carbohydrate-containing materials, for example, by the chain-splitting mechanism. In addition, electrons with energies of 0.5-10 MeV can penetrate low-density materials, such as the biomass materials described in this document, for example, materials having a mass density of less than 0.5 glcm3 and a depth from 0.3 to 10 cm. Electrons as a source of ionizing radiation can be useful, for example, for materials of relatively thin cells, layers or beds, for example, less than about 0.5 inch, for example, less than about 0 .4 inch, 0.3 inch, 0.25 inch or less than about 0.1 inch. In some embodiments, the energy of each electron in the electron beam is about 0.3 MeV to about 2.0 MeV (million electron volts), for example, from about 0.5 MeV to about 1.5 MeV, or from about 0.7 MeV to about 1.25 MeV. Methods of irradiation of materials are discussed in Ped. of Pat. US No. 2012/0100577 Al, filed on October 18, 2011, the entire disclosure of which is incorporated into this document
[80] [80] Electron beam irradiation devices can be obtained commercially or built. For example, elements or components of such inductors, capacitors, shells, power supplies, cables, wiring, voltage control systems, current control elements, insulating material, micro-controllers and refrigeration equipment can be purchased and assembled in a device. Optionally, a commercial device can be modified and / or adapted. For example, devices and components can be purchased from any of the commercial sources described in this document, including Ion Beam Applications (Louvain-la-Neuve, Belgium), Wasik Associates Inc. (Dracut, MA), NHV Corporation (Japan), the Titan Corporation (San Diego, CA), Vivirad High Voltage Corp (Billerica, MA) and / or Budker Laboratories (Russia). Typical electron energies can be 0.5 MeV, 1 MeV, 2 MeV, 4.5 MeV, 7.5 MeV or 10 MeV. Typical electron beam irradiation device power can be 1 kW, 5 kW, 10 kW , 20 kW, 50 kW, 60 kW, 70 kW, 80 kW, 90 kW, 100 kW, 125 kW, 150 kW, 175 kW, 200 kW, 250 kW, 300 kW, 350 kW, 400 kW, 450 kW, 500 kW, 600 kW, 700 kW, 800 kW, 900 kW or even 1000 kW. Accelerators that can be used include NHV radiators from the EPS-500 medium power series (eg 500 kV voltage accelerators and 65, 100 or 150 mA beam current), EPS-800 (eg 800 kV voltage accelerator) and 65 or 100 mA beam current), or EPS-1000 (e.g., 1000 kV voltage accelerator and 65 or 100 mA beam current). In addition, NHV high-energy series accelerators can be used, such as EPS-1500 (for example, 1500 kV voltage accelerator and 65 mA beam current), EPS-2000 (for example, 2000kV and 50 voltage accelerator) beam current mA), EPS-3000 (for example, 3000 kV voltage accelerator and 50mA of beam current) and EPS-5000 (for example, 5000 and 30 mA of beam current).
[81] [81] Advantages and disadvantages in considering electron beam irradiation device power specifications include cost to operate, capital costs, depreciation and device area. Advantages and disadvantages in considering the dose levels of electron beam radiation exposure would be energy costs and environmental, safety and health (ESH) concerns. Typically, generators are housed in a cavity, for example, of lead or concrete, especially for the production of x-rays that are generated in the process. Implications for considering electron energies include energy costs.
[82] [82] The electron beam irradiation device can produce either a fixed beam or a scanning beam. A scan beam can be advantageous with a long scan scan length and high scan speed, as this would effectively replace a large fixed beam width. In addition, available sweep widths of 0.5 m, 1 m, 2 m or more are available. The scanning beam is preferred in most of the modalities described in this document because of the greater scanning width and reduced possibility of local heating and window failure. ELECTRON CANNONS - WINDOWS
[83] [83] The extraction system for an electron accelerator can include two window panes. The cooling gas in the two-bladed window extraction system can be a purge gas or a mixture, for example, air or a pure gas. In one embodiment, the gas is an inert gas, such as nitrogen, argon, helium and carbon dioxide. It is preferable to use a gas instead of a liquid, as the energy losses to the electron beam are minimized. Pure gas mixtures can also be used, either premixed or mixed in line before they collide on the window or in the space between the windows. The refrigerant gas can be cooled, for example, by using a heat exchange system (for example, a cooling machine) or by using a boil of a condensed gas (for example, liquid nitrogen, liquid helium). The window panes are described in PCT / US2013164332, filed on October 10, 2013, the full disclosure of which is incorporated by reference in this document. HEATING AND FLOW DURING RADIATION TREATMENT
[84] [84] Various processes can occur in biomass when electrons from an electron beam interact with matter in inelastic collisions. For example, ionization of the material, polymer chain fission in the material, crosslinking of polymers in the material, oxidation of the material, generation of X-rays ("Bremsstrahlung") and excitation by vibration of molecules (for example, generation of a phonon). Without being linked to a particular mechanism, the reduction in recalcitrance may be due to several of these effects of inelastic collisions, for example, ionization, polymer chain fission, oxidation and phonon generation. Some of the effects (for example, especially the generation of X-rays), require shielding and engineering barriers, for example, enclosing the irradiation processes in a concrete cavity (or other material opaque to radiation). vibrational excitation, is equivalent to heating the sample. Heating the sample by irradiation can help reduce recalcitrance, but overheating can destroy the material, as will be explained below.
[85] [85] The increase in adiabatic temperature (LT) from the absorption of ionizing radiation is given by the equation: LXT = D / Cp: where D is the average dose in kGy, Cp is the heat capacity in Jlg ° C, and AT is the temperature change in ° C. A typical dry biomass material will have a heat capacity close to 2. Wet biomass will have a higher heat capacity depending on the amount of water, as the heat capacity of the water is very high (4.19 Jlg ° C). Metals have much lower heat capacities, for example, 304 stainless steel has a thermal capacity of 0.5 JIg ° C. The temperature change due to the instantaneous adsorption of radiation in a biomass and stainless steel for various radiation doses is shown in Table 1. At higher temperatures, biomass will decompose causing extreme deviation from the estimated changes in temperature. Table 1: Temperature Increase Calculated for biomass and stainless steel. Dose (Mrad) Biomass AT Steel AT (° C) Estimated (° C) 10 50 200 50 250 (decomposed) 1000 100 500 (decomposed) 2000 150 750 (decomposed) 3000 200 1000 (decomposed) 4000
[86] [86] High temperatures can destroy and or modify biopolymers in biomass, so that polymers (eg cellulose) are unsuitable for further processing. Biomass subjected to high temperatures can become dark, sticky and generate odors that indicate decomposition. Viscosity can even make the material difficult to transport. Smells can be unpleasant and a safety issue. In fact, keeping biomass below about 200 ° C has been found to be beneficial in the process described in this document (for example, below about 190 ° C, below about 180 ° C, below about 170 ° C , below about 160 ° C, below about 150 ° C, below about 140 ° C, below about 130 ° C, below about 120 ° C, below about 110 ° C, between about 60 ° C and 180 ° C, between about 60 ° C and 160 ° C, between about 60 ° C and 150 ° C, between about 60 ° C and 140 ° C, between about 60 ° C and 130 ° C, between about 60 ° C and 120 ° C, between about 80 ° C and 180 ° C, between about 100 ° C and 180 ° C, between about 120 ° C and 180 ° C, between about 140 ° C and 180 ° C,
[87] [87] It has been found that irradiation above about 10 Mrad is desirable for the processes described in this document (for example, reduction of recalcitrance). High flow is also desirable so that irradiation does not become a bottleneck in biomass processing. Treatment is managed by a dose rate equation. M = FPID- time, where M is the mass of irradiated material (kg), F is the fraction of power that is adsorbed (lower unit), P is the emitted power (kW = Voltage in MeV x Current in mA), time is the treatment time (sec) and D is the adsorbed dose (kGy). In an example process, where the adsorption power fraction is fixed, the emitted Power is constant and a fixed dosage is desirable, the flow (for example, M, the processed biomass) can be increased by increasing the irradiation time. However, increasing the irradiation time without allowing the material to cool can overheat the material, as exemplified by the calculations shown above. Since biomass has a low thermal conductivity (less than about 0.1 Wm- 'K-1) heat dissipation is slow, unlike, for example, metals (greater than about 10 Wm-' K- ' ) that can dissipate energy quickly, as long as there is a heatsink to which energy can be transferred. ELECTRON CANNONS - BEAM LIMITERS
[88] [88] In some embodiments, systems and methods include a beam limiter (for example, a shutter). For example, the beam limiter can be used to quickly limit or reduce material irradiation without turning off the electron beam device. Alternatively, the beam limiter can be used while energizing the electron beam, for example, the beam limiter can limit the electron beam until a beam current of a desired level is achieved. The beam limiter can be placed between the primary film window and secondary film window. For example, the beam limiter can be mounted so that it is movable, that is, so that it can be moved in and out of the beam path. Even partial beam coverage can be used, for example, to control the radiation dose. The beam limiter can be mounted on the ground, to a biomass conveyor, to a wall, to the radiation device (for example, on the verification rod) or to any structural support. Preferably the beam limiter is fixed in relation to the check rod so that the beam can be effectively controlled by the beam limiter. The beam limiter can incorporate a hinge, a rail, wheels, slots or other means, allowing its operation to move in and out of the beam. The beam limiter can be made of any material that will limit at least 5% of electrons, for example, at least 10%, 20%, 30%, 40%, 50%, 60%, 70%, at least 80% , 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% or even about 100% of the electrons.
[89] [89] The beam limiter may be made of a metal including, but not limited to, stainless steel, lead, iron, molybdenum, silver, gold, titanium, aluminum, tin or their alloys, or laminates (layered materials) with such metals (for example, metal-coated ceramic, metal-coated polymer, metal-coated compounds, multilayer metal materials).
[90] [90] The beam limiter can be cooled, for example, with a coolant, such as an aqueous solution or a gas. The beam limiter can be partially or completely hollow, for example with cavities. Interior spaces of the beam limiter can be used for refrigerant fluids and gases. The beam limiter can be of any shape, including flat, curved, round, oval, square, rectangular, beveled and wedge-shaped shapes.
[91] [91] The beam limiter may have perforations in order to allow some electrons to pass, thus controlling (for example, reducing)
[92] [92] The modalities disclosed in this document may also include a beam deflector when using radiation treatment. One purpose of the beam deflector is to safely absorb a beam of charged particles. Just like a beam limiter, a beam deflector can be used to block the beam from charged particles. However, a beam deflector is much more robust than a beam limiter and is designed to block the full power of the electron beam for an extended period of time. They are often used to block the beam while the accelerator is being started.
[93] [93] Beam deflectors are also designed to accommodate the heat generated by such beams, and are usually made of materials, such as copper, aluminum, carbon, beryllium, tungsten, or mercury. Beam deflectors can be cooled, for example, using a coolant that can be in thermal contact with the beam deflector. BIOMASS MATERIALS
[94] [94] Lignocellulosic materials include, but are not limited to, wood, particle board, forest residues (eg sawdust, aspen wood, wood chips), grasses, (eg millet, eulalia, seagrass, yellow grass), grain residues, (eg rice husks, oat husks, wheat husks, barley husks), agricultural residues (eg silage, canola straw, wheat straw, barley straw, straw oat, rice straw, jute, hemp, flax, bamboo, sisal, abaca, corn cobs, corn straw, soybean stems and leaves, corn fiber, alfalfa, hay, coconut hair), waste processing sugar (eg bagasse, beet pulp, agave bagasse), algae, kelp, manure, sewage and mixtures of any of these.
[95] [95] In some cases, lignocellulosic material includes ears of corn. Milled or mechanically ground corn cobs can be spread in a layer of relatively uniform thickness for irradiation, and after irradiation they are easy to disperse in the medium for further processing. To facilitate harvesting and harvesting, in some cases the entire corn plant is used, including the corn stalk, corn kernels, and in some cases, even the root system of the plant.
[96] [96] Advantageously, no additional nutrients (other than a source of nitrogen, for example, urea or ammonia) are required during the fermentation of corn cobs or cellulosic or lignocellulosic materials containing significant amounts of corn cobs.
[97] [97] Corn cobs, before and after fragmentation, are also easier to transport and disperse and are less likely to form explosive mixtures in the air than other cellulosic or lignocellulosic materials, such as hay and grasses.
[98] [98] Cellulosic materials include, for example, paper, paper products, waste paper, pulp, pigmented papers, loaded papers, coated papers, filled papers, magazines, printed materials (eg books, catalogs, manuals, labels, calendars, postcards, brochures, prospectuses, newsprint), printer paper, multi-coated paper, cardboard, cardboard, cardboard, materials with a high content of a-cellulose, such as cotton and mixtures of any of these. For example paper products as described in U.S. Order No.
[99] [99] Cellulosic materials may also include lignocellulosic materials that have been partially or completely delignified.
[100] [100] In some cases, other biomass materials may be used, for example, starchy materials. Starch-rich materials include starch itself, for example, corn starch, wheat starch, potato starch or rice starch, a starch derivative or a material that includes starch, such as an edible food product or a crop. For example, the starchy material can be mandioquinha, buckwheat, banana, barley, cassava, cudzu, hollow, sago, sorghum, regular domestic potatoes, sweet potatoes, taro, yams or one or more beans, such as broad beans, lentils or peas . Mixtures of any two or more starchy materials are also starchy materials. Mixtures of starchy, cellulosic and or lignocellulosic materials can also be used. For example, biomass can be an entire plant, a part of a plant or different parts of a plant, for example, a wheat, cotton plant, corn plant, rice plant or tree. Starch-rich materials can be treated by any of the methods described in this document.
[101] [101] Microbial materials that can be used as an input may include, but are not limited to, any naturally occurring or genetically modified microorganism or organism that contains or is capable of providing a source of carbohydrates (eg cellulose), for example protists, for example, protist animals (for example, protozoa, such as flagellates, amoeboids, ciliate and sporozoa) and plant protists (for example, algae, such as Alveolates, Chlorarachniophytas, Cryptomonands, Euglenoideas, Glaucophytas, Haptophytas, red algae, stramenopils and viridaeplantae). Other examples include kelp, plankton (e.g., macroplankton, mesoplankton, microplankton, nanoplankton, picoplankton and femtoplankton), phytoplankton, bacteria (e.g., gram positive bacteria, gram negative and extremophilic bacteria), yeast and / or mixtures thereof.
[102] [102] Other materials (for example, natural or synthetic materials), for example, polymers, can be treated and / or made using the methods, equipment and systems described in this document. For example, polyethylene (for example, linear low density ethylene and high density polyethylene), polyesters, sulphonated polyesters, poly (vinyl chloride), polyesters (eg nylon stockings, DACRONTM KODELTM), polyalkylene esters, esters poly vinyl, polyamides (eg KEVLARTM), polyethylene terephthalate, cellulose acetate, acetal, poly acrylonitrile, polycarbonates (LEXANTM), acrylics (eg, poly (methyl methacrylate), poly (methyl methacrylate), polyacrylonitriles, polyurethanes, polypropylene, poly butadiene, polyisobutylene, polyacrylonitrile, polychloroprene (neoprene, for example), poly (cis-1,4-isoprene) [e.g., natural rubber], poly (trans-1,4-isoprene ) [eg gutta-percha], phenol formaldehyde, melamine formaldehyde, epoxides, polyesters, polyamines, polycarboxylic acids, polylactic acids, polyvinyl alcohols, polyanhydrides, siliconised (eg TEFLONTM) alcohols the rubber d and silicone), polysilanes, poly ethers (for example, polyethylene oxide, polypropylene oxide), waxes, oils and mixtures thereof. Also included are plastics, rubbers,
[103] [103] Other materials that can be treated using the methods, systems and equipment disclosed in this document are ceramic materials, minerals, metals and inorganic compounds. For example, silicon and germanium crystals, silicon nitrides, metal oxides, semiconductors, insulators, cements and or conductors.
[104] [104] Additionally, materials with various parts or shapes (for example, molded, extruded, welded, riveted, layered, or a combination in any way) can be treated, for example, cables, pipes, plates, compartments, integrated semiconductor chips, circuit boards, wires, tires, windows, laminated materials, gears, belts, machines, and combinations thereof. For example, treating a material with the methods described in this document, for example, you can modify the surfaces, for example example, making them susceptible to greater functionalization, combinations (for example, welding) and / or cross-cutting can cross-link materials. PREPARATION OF BIOMASS MATERIAL - TREATMENTS MECHANICAL
[105] [105] Biomass can be in a dry form, for example, with less than about 35% moisture content (for example, less than about 20%, less than about 15%, less than about 10%, less than about 5%, less than about 4%, less than about 3%, less than about 2% or even less than about 1%). Biomass can also be distributed in a wet state, for example as a wet solid, a paste or a suspension with at least about 10% by weight of solids (for example, at least about 20% by weight, at least about 30% by weight, at least about 40% by weight, at least about 50% by weight, at least about 60% by weight, at least about 70% by weight).
[106] [106] The processes disclosed in this document may use low density materials, for example cellulosic or lignocellulosic raw materials that have been physically pretreated to have a density of less than about 0.75 glcm3, for example, less than about 0.7, 0.65, 0.60, 0.50, 0.35, 0.25, 0.20, 0.15, 0.10, 0.05 or less, for example, less than about 0.025 glcm3. The bulk density is determined using ASTM D1895B. Briefly, the method involves filling a beaker of known volume with a sample and obtaining a sample weight. The apparent density is calculated by dividing the sample weight in grams by the known volume of the cylinder in cubic centimeters. If desired, low apparent density materials can be densified, for example, by the methods described in U.S. Pat. No. 7,971,809 to Medoff, the full disclosure of which is incorporated by reference in this document.
[107] [107] In some cases, pretreatment processing includes sorting the biomass material. Screening can be through a mesh or perforated plate with a desired opening size, for example, less than about 6.35 mm (1/4 inch, 0.25 inch), (for example, less than about 3.18 mm (1/8 inch, 0.125 inch), less than about 1.59 mm (1/16 inch, 0.0625 inch), is less than about 0.79 mm ( 1/32 inch, 0.03125 inch), for example, less than about 0.51 mm (1/50 inch, 0.02000 inch), less than about 0.40 mm (1/64 inch, 0.015625 inch), less than about 0.23 mm (0.009 inch), less than about 0.20 mm (11128 inch, 0.0078125 inch), less than about 0, 18 mm (0.007 inch), less than about 0.13 mm (0.005 inch) or even less than about 0.10 mm (1/256 inch, 0.00390625 inch) .In a configuration the desired biomass falls through perforations or web and, therefore, the biomass larger than the perforations or web is not irradiated. Larger s can be reprocessed, for example, when fragmenting, or they can simply be removed from processing. In another configuration, the material that is larger than the perforations is irradiated and the smallest material is removed by the process of sorting or recycling. In this type of configuration, the conveyor itself (for example, a part of the conveyor) can be perforated or made with a mesh. For example, in a particular embodiment, the biomass material can be wetted and the perforations or mesh allow water to drain from the biomass before irradiation.
[108] [108] Material screening can also be done by a manual method, for example, by an operator or robot (for example, a robot equipped with a color, reflectivity or other sensor) that removes unwanted material. The sorting can also be by magnetic sorting, in which a magnet is placed close to the transported material and the magnetic material is removed magnetically.
[109] [109] Optional pretreatment processing may include heating the material. For example, a part of the conveyor carrying the material or other material can be sent through the heated zone. The heated zone can be created, for example, by IR radiation, microwave, combustion (for example, gas, coal, oil, biomass), resistive heating and / or inductive coils. Heat can be applied from at least
[110] [110] Optionally, pretreatment processing can include cooling the material. The refrigeration material is described in Pat. U.S. No.
[111] [111] Another optional pretreatment processing method may include adding a material to the biomass or other inputs. The additional material can be added, for example, when watering, sprinkling or dumping the material on the biomass, as it is transported. Materials that can be added include, for example, metals, ceramics and ions as described in U.S. Pat. U.S. US No. 2010/0105119 Al (filed October 26, 2009) and Pat. US No. 201010159569 Al (filed December 16, 2009), the full disclosures of which are incorporated herein by reference. Optional materials that can be added include acids and bases. Other materials that can be added are oxidizers (for example, peroxides, chlorates), polymers, polymerizable monomers (for example, containing unsaturated bonds), water, catalysts, enzymes and organisms. The materials can be added, for example, in pure form, as a solution in a solvent (for example, water or an organic solvent) or as a solution. In some cases, the solvent is volatile and can be evaporated, for example, by heating and / or blowing gas as previously described. The added material can form a uniform coating on the biomass or be a homogeneous mixture of different components (for example, biomass and additional material). The added material can modulate the subsequent irradiation step by increasing the efficiency of the irradiation, dampening the irradiation or changing the effect of the irradiation (for example, from electron beams to x-rays or heat). The method may have no impact on irradiation, but it can be useful for further downstream processing. The added material can help transport the material, for example, by decreasing dust levels.
[112] [112] Biomass can be delivered to the conveyor (for example, vibrating conveyors used in the cavities described in this document) by a conveyor belt, a pneumatic conveyor, a screw conveyor, a funnel, a pipe, manually or by a combination of these. The biomass can, for example, be felled, dumped and placed on the conveyor by any of these methods. In some embodiments, the material is delivered to the conveyor using a wrapped material distribution system to help maintain a low oxygen atmosphere and to control dust and fine particles. Fine particles and biomass dust suspended in the air or high are undesirable because they can pose a risk of explosion or damage the window films of an electron gun (if such a device is used to treat the material).
[113] [113] The material can be leveled to form a uniform thickness between about 0.0312 and 5 inches (for example, between about 0.0625 and 2,000 inches, between about 0.125 and 1 inch, between about 0.125 and 0 .5 inch, between about 0.3 and 0.9 inch, between about 0.2 and 0.5 inch, between about 0.25 and 1.0 inch, between about 0.25 and 0.5 inch, 0.100 + 1- 0.025 inch, 0.150 + 1- 0.025 inch, 0.200 + 1- 0.025 inch, 0.250 + 1- 0.025 inch, 0.300 + 1- 0.025 inch, 0.350 + 1- 0.025 inch, 0.400 + 1- 0.025 inch , 0.450 + 1- 0.025 inches, 0.500 + 1- 0.025 inches, 0.550 + 1- 0.025 inches, 0.600 + 1- 0.025 inches, 0.700 + 1- 0.025 inches, 0.750 + 1- 0.025 inches, 0.800 + 1- 0.025 inches, 0.850 + 1- 0.025 inches, 0.900 + 1- 0.025 inches, 0.900 and + 1- 0.025 inches.
[114] [114] In general, it is preferable to transport the material as quickly as possible through the electron beam to maximize flow. For example, the material can be transported at rates of at least 1 feet / min, for example, at least 2 feet / min, at least 3 feet / min, at least 4 feet / min, at least 5 feet / min, at least 10 feetlmin, at least 15 feet / min, 20, 25, 30, 35, 40, 45, 50 feet / min. The transmission rate is related to the beam current, for example, for a biomass of '/ inch thick and 100 mA, the carrier can move at approximately 20 feet / min to provide a useful irradiation dose, at 50 mA , the carrier can move at approximately approximately 10 feet / min to provide approximately the same dose of irradiation.
[115] [115] After the biomass material has been transported through the radiation zone, optional post-treatment processing can be done. Optional aftertreatment processing can, for example, be a process described with respect to pre-irradiation processing. For example, biomass can be screened, heated, cooled or combined with additives. Exclusively for post-irradiation, extinction of radicals can occur, for example, extinguishing radicals by adding fluids or gases (eg, oxygen, nitrous oxide, ammonia, liquids), using pressure, heat, and the addition of radical neutralizers. For example, biomass can be transported out of the wrapped conveyor and exposed to a gas (for example, oxygen) where it is extinguished, forming carboxylated groups. In one embodiment, biomass is exposed during irradiation to reactive gas or fluid. The extinction of the biomass that has been irradiated is described in Pat. No. 8,083,906 to Medoff, the full disclosure of which is incorporated herein by reference.
[116] [116] If desired, one or more mechanical treatments may be used in addition to irradiation to further reduce the recalcitrance of the carbohydrate-containing material. These processes can be applied before, during or after irradiation.
[117] [117] In some cases, mechanical treatment may include an initial preparation of the input as received, for example, size reduction of materials, such as by comminution, for example, cutting, grinding, shearing, spraying or carving. For example, in some cases, loose input (for example, recycled paper, materials rich in starch or millet) is prepared for shearing or shredding. Mechanical treatment can reduce the apparent density of the carbohydrate-containing material, increase the surface area of the carbohydrate-containing material and / or decrease one or more dimensions of the carbohydrate-containing material.
[118] [118] Alternatively, or in addition, the raw material can be treated with another treatment, for example, chemical treatment, such as an acid (HCI, H2SO4, H3PO4), a base (for example, KOH and NaOH), a chemical oxidizer (eg peroxides, chlorates, ozone), irradiation, vapor explosion, pyrolysis, sonication, oxidation, chemical treatment. Treatments can be in any order and in any sequence and combinations. For example, the input material can first be physically treated by one or more treatment methods, for example, chemical treatment including and in combination with acid hydrolysis (for example, using HCI, H2SO4,
[119] [119] In addition to size reduction, which can be performed initially and / or later in processing, mechanical treatment can also be advantageous to "open," "intend", break or fractionate materials containing carbohydrates, making cellulose from materials more susceptible to chain fission and / or rupture of crystalline structure during physical treatment.
[120] [120] Methods for mechanically treating carbohydrate-containing material include, for example, crushing or grinding. Grinding can be carried out using, for example, a hammer mill, ball mill, colloid mill, conical or cone mill, disc mill, Chilean mill, Wiley mill, cereal mill or other mill. The grinding can be carried out using, for example, an impact-type grinder. Some exemplary grinders include stone crushers, pin grinders, coffee grinders and drill grinders. The grinding or grinding can be provided, for example, by an alternative pin or other element, as is the case in a pin mill. Other methods of mechanical treatment include mechanical rupture or rupture, other methods that apply pressure to the fibers and crushing of air friction. Adequate mechanical treatments include, in addition, any other technique that continues to disrupt the internal structure of the material that was initiated by the previous processing steps.
[121] [121] Mechanical feed preparation systems can be configured to produce chains with specific characteristics, such as, for example, specific maximum sizes, specific length-to-width or specific surface area ratios. Physical preparation can increase the rate of reactions, improve the movement of material in a conveyor, improve the irradiation profile of the material, improve the uniformity of the radiation of the material or reduce the processing time required when opening the materials and making them more accessible for processes and reagents, such as reagents in a solution.
[122] [122] The apparent density of inputs can be controlled (for example, increased). In some situations, it may be desirable to prepare a low apparent density material, for example, by densifying the material (for example, densification can make it easier and less expensive to transport to another location) and then revert the material to a state of lower apparent density (for example, after transport). The material can be densified, for example, from less than about 0.2 g / cc to more than about 0.9 glcc (for example, less than about 0.3 to more than about 0.5 g / cc, less than about 0.3 to more than about 0.9 glcc, less than about 0.5 to more than about 0.9 glcc, less than about 0.3 more than about
[123] [123] In some embodiments, the material to be processed is in the form of a fibrous material that includes fibers provided by shearing from a fiber source. For example, shearing can be performed with a rotary knife cutter.
[124] [124] For example, a fiber source, for example, that is recalcitrant or that has had its level of recalcitrance reduced, can be sheared, for example, in a rotary knife cutter, to provide a first fibrous material. The first fibrous material is passed through a first web, for example, having an average opening size of 1.59 mm or less (1116 inches, 0.0625 inches), to provide a second fibrous material. If desired, the fiber source can be cut before shearing, for example, with a shredder. For example, when a paper is used as the fiber source, the paper can be cut first into strips that are, for example, 1/4 to 1/2 inch wide, using a shredder, for example, a machine counter-rotating screw shredder, such as those manufactured by Munson (Utica, NY). As an alternative to shredding, the paper can be reduced in size by cutting to a desired size using a guillotine cutter. For example, the guillotine cutter can be used to cut paper into sheets that are, for example, 10 inches wide by 12 inches long. [1251 In some embodiments, the shear of the fiber source and the passage of the first resulting fibrous material through a first web are performed simultaneously. Shearing and passing can also be performed in a batch type process.
[126] [126] For example, a rotary knife cutter can be used to simultaneously shear the fiber source and screen the first fibrous material. A rotary knife cutter includes a funnel that can be loaded with a shredded fiber source prepared by shredding a fiber source.
[127] [127] In some implementations, the input physically treated before saccharification and fermentation. Physical treatment processes may include one or more of any of those described in this document, such as mechanical treatment, chemical treatment, irradiation, sonication, oxidation, pyrolysis or steam explosion. Treatment methods can be used in combinations of two, three, four or even all of these technologies (in any order). When more than one treatment method is used, the methods can be applied at the same time or at different times. Other processes that change the molecular structure of the biomass input can also be used, alone or in combination with the processes disclosed in this document.
[128] [128] Mechanical treatments that can be used and the characteristics of mechanically treated materials containing carbohydrates are described in more detail in Pat. US No. 2012/0100577 Al, filed on October 18, 2011, the entire disclosure of which is incorporated herein by reference. SONICATION, PYROLYSIS, OXIDATION, VAPOR EXPLOSION
[129] [129] If desired, one or more sonication, pyrolysis, oxidative or vapor explosion processes can be used instead of or in addition to irradiation to further reduce or reduce the recalcitrance of the carbohydrate-containing material. For example, these processes can be applied before, during or after irradiation. These processes are described in detail in Pat. No. 7,932,065 to Medoff, the full disclosure of which is incorporated herein by reference. INTERMEDIARIES AND PRODUCTS
[130] [130] Using the processes described in this document, the biomass material can be converted to one or more products, such as energy, fuels, food and materials. For example, intermediate products and products such as organic acids, salts of organic acids, anhydrides, esters of organic acids and fuels, for example, fuels for internal combustion engines or inputs for fuel cells. Systems and processes are described in this document that they can use as cellulosic and / or lignocellulosic input materials that are readily available, but can often be difficult to process, for example, municipal waste streams and paper waste streams, such as streams that include newspaper, kraft paper, corrugated paper or mixtures thereof.
[131] [131] Specific examples of products include, but are not limited to, hydrogen, sugars (eg, glucose, xylose, arabinose, mannose, galactose, fructose, disaccharides, oligosaccharides and polysaccharides), alcohols (eg monoalcohol or dihydric alcohols , such as ethanol, n-propanol, isobutanol, sec-butanol, tert-butanol or n-butanol), hydrated or water alcohols (for example, containing more than 10%, 20%, 30% or even more than than 40% water), biodiesel, organic acids, hydrocarbons (eg, methane, ethane, propane, isobutene, pentane, hexane, biodiesel, bio-gasoline and mixtures thereof), by-products (eg from proteins, such as cellulosic proteins (enzymes) or single cell proteins) and mixtures of any of these in any combination or relative concentration and, optionally, in combination with any additives (e.g.
[132] [132] Any combination of the above products with each other, and the above products with other products, the other products of which can be made by the processes described in this document or, otherwise, can be packaged together and sold as products. Products can be combined, for example, mixed, mixed or codissolved, or they can simply be packaged or sold together.
[133] [133] Any of the products or product combinations described in this document can be sanitized or sterilized before the products are sold, for example, after purification or isolation or even after packaging, to neutralize one or more potentially undesirable contaminants that could be present on the product (s). Such sanitization can be done with electron bombardment, for example, being in a dosage of less than about 20 Mrad, for example, from about 0.1 to 15 Mrad, from about 0.5 to 7 Mrad, or from about 1 to 3 Mrad.
[134] [134] The processes described in this document can produce several by-product streams useful for generating steam and electricity for use in other parts of the installation (cogeneration) or sold on the open market. For example, steam generated from burning by-product streams can be used in a distillation process. As another example, the electricity generated from burning by-product currents can be used to power electron beam generators used in the pretreatment.
[135] [135] By-products used to generate steam and electricity are derived from a number of sources throughout the process. For example, anaerobic digestion of wastewater can produce biogas with a high methane content and a small amount of residual biomass (sludge). As another example, post-saccharification and / or post-distillate solids (eg, unconverted lignin, cellulose and hemicellulose remaining from the pretreatment and primary processes) can be used, for example, burned, as a fuel.
[136] [136] Other intermediates and products, including food and pharmaceutical products, are described in Pat. US No. 201010124583 Al, published on May 20, 2010 to Medoff, the full disclosure of which is incorporated by reference in this document. LIGNIN DERIVED PRODUCTS
[137] [137] The irradiated biomass (for example, spent lignocellulosic material) from the lignocellulosic processing by the methods described is expected to have a high lignin content and, in addition to being useful for the production of energy through combustion in a Co- Generation, can have uses like other valuable products. For example, lignin can be used as captured as a plastic, or it can be synthetically enhanced for other plastics. In some cases, it can also be converted into lignosulfonates, which can be used as binders, dispersants, emulsifiers or as scavengers.
[138] [138] When used as a binder, lignin or a lignosulfonate can, for example, be used in charcoal briquettes, in ceramics, to bond carbon black, to bond fertilizers and herbicides, as a dust suppressant, in manufacture of plywood board and particleboard, for animal feed bonding, as a binder for fiberglass, as a binder in the linoleum paste and as a soil stabilizer.
[139] [139] When used as a dispersant, lignin or lignosulfonates can be used, for example, in mixtures of concrete, clay and ceramics, dyes and pigments, leather tanning and in plaster panels.
[140] [140] When used as an emulsifier, lignin or lignosulfonates can be used, for example, in asphalt emulsions, pigments and dyes, pesticides and wax.
[141] [141] As a scavenger, lignin or lignosulfonates can be used, for example, in micronutrient systems, cleaning compounds and water treatment systems, for example, for boiler and cooling systems.
[142] [142] For energy production, lignin generally has a higher energy content than holocellulose (cellulose and hemicellulose), since it contains more carbon than homocellulose. For example, dry lignin can have an energy content between about 11,000 and 12,500 BTU per pound, compared to 7,000 to 8,000 BTU per pound of holocellulose. As such, lignin can be densified and converted into briquettes and pellets for burning. For example, lignin can be converted to tablets by any method described in this document. For a slower-burning tablet or briquette, lignin can be cross-linked, such as applying a radiation dose between about 0.5 Mrad and 5 Mrad. Crosslinking can become a slower burning form factor. The form factor, such as pellet or briquette, can be converted to "synthetic coal" or coal by pyrolysis in the absence of air, for example, between 400 and 950 ° C °. Before pyrolysis, it may be desirable to cross-link lignin to maintain structural integrity. SACARIFICATION
[143] [143] In order to convert the input to a form that can be readily processed, cellulose containing glucan or xylan in the input can be hydrolyzed to low molecular weight carbohydrates, such as sugars, by a saccharifying agent, for example, a enzyme or acid, a process referred to as saccharification. Low molecular weight carbohydrates can then be used, for example, in an existing manufacturing facility, such as a single-cell protein facility, an enzyme manufacturing facility, or a fuel facility, for example, an ethanol plant.
[144] [144] The input can be hydrolyzed using an enzyme, for example, by combining the materials and the enzyme in a solvent, for example, in an aqueous solution.
[145] [145] Alternatively, enzymes can be supplied by organisms that break down biomass, such as cellulose and lignin portions of biomass, contain or manufacture various cellulosic enzymes (cellulases), ligninases or various molecule biomass degrading metabolites small. These enzymes can be a complex of enzymes that act synergistically to degrade crystalline cellulose or the lignin portions of biomass. Examples of cellulotic enzymes include: endoglucanases, cellobiohydrolases and cellobiases (beta-glucosidases).
[146] [146] During saccharification a cellulosic substrate can initially be hydrolyzed by endoglucanases at random locations, producing oligomeric intermediates. These intermediates are then substrates for exo-dividing glucanases, such as cellobiohydrolase to produce cellobiosis from the ends of the cellulose polymer. Cellobiosis is a water-soluble 1,4-linked glucose dimer. Finally, celobiase cleaves cellobiosis to yield glucose. The efficiency (for example, time to hydrolyze and / or hydrolysis integrity) of this process depends on the recalcitrance of the cellulosic material.
[147] [147] Therefore, treated biomass materials can be saccharified, in general by combining the material and a cellulase enzyme in a fluid medium, for example, an aqueous solution. In some cases, the material is boiled, dipped or cooked in hot water before saccharification, as described in Pat. U.S. Patent 201210100577 Al by Medoff and Masterman, published April 26, 2012, the entire contents of which are incorporated into this document.
[148] [148] The saccharification process can be partially or completely carried out in a tank (for example, a tank having a volume of at least 4000, 40,000, or 500,000 1) in a manufacturing facility and / or can be partially or completely performed in transit, for example, in a wagon, tanker truck, or a supertanker, or the hold of a ship. The time required for complete saccharification will depend on the process conditions and the material containing carbohydrate and enzyme used. If saccharification is performed in a manufacturing facility under controlled conditions, cellulose can be substantially and entirely converted to sugar, for example, glucose in about 12 to 96 hours. If saccharification is performed partially or completely in transit, saccharification may take longer.
[149] [149] In general it is preferred that the contents of the tank are mixed during saccharification, for example, using a mixing jet as described in International Application No. PCT / US20101035331, deposited on May 18, 2010, which was published in English as WO 20101135380 and designated the United States,
[150] [150] The addition of surfactants can increase the rate of saccharification. Examples of surfactants include nonionic surfactants, such as polyethylene glycol surfactants Tween® 20 or Tween® 80, ionic surfactants or amphoteric surfactants.
[151] [151] In general it is preferable that the concentration of the sugar solution resulting from saccharification is relatively high, for example, greater than 40%, or greater than 50, 60, 70, 80, 90 or even greater than 95 % by weight. Water can be removed, for example, by evaporation, to increase the concentration of the sugar solution. This reduces the volume to be sent and also inhibits microbial growth in the solution.
[152] [152] Alternatively, low concentration sugar solutions can be used, in which case it may be desirable to add an antimicrobial additive, for example, a broad spectrum antibiotic, in a low concentration, for example, 50 to 150 ppm. Other suitable antibiotics include amphotericin B, ampicillin, chloramphenicol, ciprofloxacin, gentamicin, hygromycin B, kanamycin, neomycin, penicillin, puromycin, streptomycin. Antibiotics will inhibit the growth of microorganisms during transport and storage and can be used in appropriate concentrations, for example, between 15 and 1000 ppm by weight, for example, between 25 and 500 ppm or between 50 and 150 ppm. If desired, an antibiotic can be included, even if the sugar concentration is relatively high. Alternatively, other antimicrobial additives with preservative properties can be used. Preferably the antimicrobial additive (s) is / are food grade.
[153] [153] A relatively high concentration solution can be obtained by limiting the amount of water added to the carbohydrate-containing material with the enzyme. The concentration can be controlled, for example, by controlling how much saccharification occurs. For example, the concentration can be increased by adding more carbohydrate-containing material to the solution. In order to keep the sugar being produced in solution, a surfactant can be added, for example, one of those discussed above. Solubility can also be increased by increasing the temperature of the solution. For example, the solution can be kept at a temperature of 40-50 ° C, 60-80 ° C or even higher. SACARIFICATION AGENTS
[154] [154] Suitable cellulosic enzymes include cellulases of species in the genera Bacillus, Coprinus, Myceliophthora, Cephalosporium, Scytalidium, Penici / Jium, Aspergillus, Pseudomonas, Humicola, Fusarium, Thielavia, Acremonium, Chrysosporium and Trichoderpa, especially those produced by Trichoderma from Aspergillus species (see, for example, Pub. EP No. 0 458 162), Humicola insolens (reclassified as Scytalidium thermophilum, see, for example, US Patent No. 4,435,307), Coprinus cinereus,, Fusarium oxysporum, Myceliophthora thermophila, Meripilus giganteus, Thiela via terrestrial, Acremonium sp. (including, but not limited to, A. persicinum, A. acremonium, A. brachypenium, A.dichromosporum, A. obclavatum, A. pinkertoniae, A. roseogriseum, A.incoloratum, and A. furatum). Preferred strains include Humicola insolens DSM 1800, Fusarium oxysporum DSM 2672, Myceliophthora thermophila CBS 117.65, Cephalosporium sp. RYM-202, Acremonium sp. CBS 478.94, Acremonium sp. CBS 265.95, Acremonium persicinum CBS 169.65, Acremonium acremonium AHU 9519, Cephalosporium sp. 535.71 CBS, Acremonium brachypenium CBS 866.73, Acremonium dichromosporum CBS 683.73, Acremonium obclavatum CBS
[155] [155] In addition to or in combination with enzymes, acids, bases and other chemicals (eg oxidants), they can be used to saccharify cellulosic or lignocellulosic materials. These can be used in any combination or sequence (for example, before, after or during the addition of an enzyme). For example, strong mineral acids can be used (for example, HCI, H2SO4, H3PO4) and strong bases (for example, NaOH, KOH). SUGARS
[156] [156] In the processes described in this document, for example, after saccharification, sugars (for example, glucose and xylose) can be isolated. For example, sugars can be isolated by precipitation, crystallization, chromatography (for example, simulated moving bed chromatography, high pressure chromatography), centrifugation, extraction, any other isolation method known in the art and combinations thereof. HYDROGENATION AND OTHER CHEMICAL TRANSFORMATIONS
[157] [157] The processes described in this document may include hydrogenation. For example, glucose and xylose can be hydrogenated to sorbitol and xylitol, respectively. Hydrogenation can be accomplished by using a catalyst (for example, Ptlgama-A1203, Ru / C, Raney nickel or other catalysts known in the art) in combination with H2 under high pressure (for example, 10 to 12000 psi). Other types of chemical transformation of products from the processes described in this document can be used, for example, production of products derived from organic sugar (for example, _furfural and derivatives of furfural). The chemical transformations of sugar products are described in USSN 13 / 934,704, filed on July 3, 2013, the disclosure of which is
[158] [158] Yeast and bacteria Zymomonas for example can be used for fermentation or conversion of sugar to alcohol (ois). Other microorganisms are discussed below. The ideal pH for fermentation is about pH 4 to 7. For example, the optimum pH for yeast is approximately pH 4 to 5, while the optimum pH for Zimomonas is approximately pH 5 to 6. Typical fermentation times are about 24 to 168 hours (for example, 24 to 96 hours) with temperatures in the range of 20 ° C to 40 ° C (for example, 26 ° C to 40 ° C), however, thermophilic microorganisms prefer higher temperatures.
[159] [159] In some modalities, for example, when anaerobic organisms are used, at least part of the fermentation is conducted in the absence of oxygen, for example, under a blanket of an inert gas such as N2, Ar, He, CO2 or mixtures thereof . In addition, the mixture may have a constant purge of an inert gas flowing through the tank during part of or all of the fermentation. In some cases, anaerobic conditions can be achieved or maintained by the production of carbon dioxide during fermentation and no additional inert gas is required.
[160] [160] In some embodiments, all or a portion of the fermentation process can be stopped before low molecular weight sugar is completely converted to a product (eg, ethanol). Intermediate fermentation products include sugar and carbohydrates in high concentrations. Sugars and carbohydrates can be isolated by any means known in the art. These intermediate fermentation products can be used in the preparation of food for human or animal consumption. In addition or alternatively, intermediate fermentation products can be ground to a fine particle size in a stainless steel laboratory mill to produce a substance such as flour. Jet mixing can be used during fermentation, and in some cases saccharification and fermentation are performed in the same tank.
[161] [161] Nutrients for microorganisms can be added during saccharification and fermentation, for example, the food-based nutrient packages described in US Patent Application 201210052536, filed on July 15, 2011, the full disclosure of which is incorporated into this document by reference.
[162] [162] "Fermentation" includes the methods and products that are disclosed in international orders Nos. PCTIUS2012171093 published on June 27, 2013, PCTIUS2012 / 71907 published on June 27, 2012 and PCT / US2012 / 71083 published on June 27, 2012 whose content is incorporated by reference in this document in its entirety.
[163] [163] Mobile fermenters can be used, as described in International Application No. PCTIUS2007 / 074028 (which was filed on July 20, 2007, published in English as WO 2008/011598 and designated the United States) and has a patent US No. 8,318,453, the contents of which are incorporated herein in their entirety. Similarly, saccharification equipment can be mobile. Additionally, saccharification and / or fermentation can be carried out in part or totally during transit.
[165] [165] Suitable fermentation microorganisms have the ability to convert carbohydrates, such as glucose, fructose, xylose, arabinose, mannose, galactose, oligosaccharides or polysaccharides into fermentation products. Fermentation of microorganisms includes strains of the genus Saccharomyces spp. (including, but not limited to, S. cerevisiae (bread yeast), S. distaticus, S. uvarum), the genus Kluyveromyces, (including, but not limited to, K. marxianus, K. fragilis), the genus Candida (including, but not limited to, C. pseudotropicalis and C. brassicae), Pichia stipitis (a relative of Candida shehatae), Clavispora (including, but not limited to, C. lusitaniae and C. opuntiae), the genus Pachysolen (including , but not limited to, P. tannophilus), the genus Bretannomyces (including, but not limited to, for example, B. clausenii (Philippidis, GP, 1996, Cellulose bioconversion technology, in Handbook on Bioethanol: Production and Utilization, Wyman, CE, Ed., Taylor & Francis, Washington, DC, 179-212) Other suitable microorganisms include, for example, Zymomonas mobilis, Clostridium spp. (Including, but not limited to, C. thermocellum (Philippidis, 1996, supra ), C. saccharobutylacetonicum, C. tyrobutyricum C. saccharobutylicum, C. Puniceum, C. beijernckii, and C. acetobuty licum), Moniliella spp. (including but not limited to M. pollinis, M. tomentosa, M. madida, M. nigrescens, M. oedocephali, M. megachiliensis), Yarrowia lipolytica, Aureobasidíum sp., Trichosporonoides sp., Trigonopsis variabilis, Trichosporon sp., Moniliellaacetoabutans sp., Typhula variabilís, Candida magnoliae, Ustilaginomycetes sp., Pseudozyma tsukubaensis, yeasts of the genera Zygosaccharomyces, Debaryomyces, Hansenula and Pichía, and fungi of the genus dematióde Torula (for example, T. corallína).
[166] [166] Additional microorganisms include the Lactobacillus group. Examples include Lactobacillus casei, Lactobacillus rhamnosus, Lactobacillus delbrueckii, Lactobacillus rum plant, Lactobacillus coryniformis, for example, Lactobacillus coryniformis subspecies torquens,
[167] [167] Various organisms, such as bacteria, yeasts and fungi, can be used to ferment products derived from biomass such as sugars and alcohols in succinic acid and similar products. For example, organisms can be selected from; Actinobacillus succinogenes, succiniciproducens Anaerobiospirillum, succiniciproducens Mannheimia, flaverfaciens Ruminococcus albus Ruminococcus, succinogenes Fibrobacter, Bacteroides fragilis, Bacteroides ruminicola, amylophilus Bacteroides succinogenes Bacteriodetes, Mannheimia succiniciproducens, Corynebacterium glutamicum, Aspergillus niger, Aspergillus fumigatus, snowy Byssochlamys, Lentinus Degener, Paecilomyces varioti , Penicillium viniferum, Saccharomyces cerevisiae, Enterococcus faecal /, Pravotella ruminicolas, Debaryomyces hansenii, Candida catenulata VKM Y-5, C. mycoderma VKM Y-240, C. rugosa VKM Y-67, C. paludigena VKM Y-2443, C. utilis VKM Y-74, C. utilis 766, C. zeylanoides VKM Y-6, C. zeylanoides VKM Y-14, C. zeylanoides VKM Y-2324, C. zeylanoides VKM Y-1543, C. zeylanoides VKM Y-2595 , C. validates VKM Y-934, Kluyveromyces wickerhamii VKM Y-589, Pichia anomala VKM Y-118, P. besseyi VKM Y-2084, P. media VKM Y-1381, P. guilliermondii H- P -4, P. guílliermondii 916, P. inosit ovora VKM Y-2494, Saccharomyces cerevisiae VKM Y-381, Torulopsis candida 127, T. candida 420, Yarrowia lipolytica 12a, Y. lipolytica VKM Y-47, Y. lipolytica 69, Y. lipolytica VKM Y- 57, Y. lipolytica 212, Y. lipolytica 374/4, Y. lipolytica 585, Y. lipolytica 695, Y. lipolytica 704, and mixtures of these organisms. [1681 Many of such microbial strains are publicly available, either commercially or through depositaries, such as the ATCC (American Type Culture Collection, Manassas, Virginia, USA), the NRRL (Agricultural Research Sevice Culture Collection, Peoria, Illinois, USA) or the DSMZ (Deutsche Sammlung von Mikroorganismen and
[169] [169] Commercially available yeasts include, for example, RED STAR® / Lesaffre Ethanol Red (available from RedStar / Lesaffre, USA), FALI® (available from Fleischmann's Yeast, a division of Burns Philip Food lnc., USA ), SUPERSTART® (available from Alitech, now Lalemand), GERT STRAND® (available from Gert Strand AB, Sweden) and FERMOL® (available from DSM Specialties) DISTILLATION
[170] [170] After fermentation, the resulting fluids can be distilled using, for example, a "beer column" to separate ethanol and other alcohols from most water and solid waste. The steam coming out of the beer column can be, for example, 35% by weight of ethanol and can be fed to a grinding column. A mixture of almost azeotropic ethanol (92.5%) and water from the rectification column can be purified to pure ethanol (99.5%) using molecular vapor phase sieves. The bottoms of the beer column can be sent for the first effect of a three-effect evaporator. The grinding column reflux condenser can provide heat for this first effect. After the first effect, the solids can be separated using a centrifuge and dried in a rotary dryer. A portion (25%) of the centrifuge effluent can be recycled for fermentation and the rest sent to the second and third effects of the evaporator. Most of the evaporator condensate can be returned to the process as a reasonably clean condensate with a small separate portion for wastewater treatment to prevent the accumulation of low boiling compounds. MATERIALS CONTAINING HYDROCARBON
[171] [171] In other modalities using the methods and systems described in this document, materials containing hydrocarbons can be processed. Any process described in this document can be used to treat any hydrocarbon-containing material described in this document. "Hydrocarbon-containing materials", as used in this document, should include petroleum sands, oil shale, asphalt sands, coal powder, coal paste, bitumen, various types of coal and other naturally occurring and synthetic materials that include both hydrocarbon components and solid matter. Solid matter can include wood, rock, sand, clay, stone, silt, drilling mud, or other solid organic or inorganic materials. The term can also include waste products, such as drilling waste and by-products, refinery waste and by-products or other waste and by-products containing hydrocarbon components, such as asphalt tile and slab, asphalt pavements, etc.
[172] [172] In other modalities using the methods and systems described in this document, wood and products containing wood can be processed. For example, sawn wood products can be processed, for example, boards, sheets, laminates, beams, particle boards, composites, rough cut wood, soft wood and hard wood. In addition to cut trees, shrubs, wood chips, sawdust, roots, trunk, stumps, decomposed wood and other biomass material containing wood can be processed. TRANSPORT SYSTEMS
[173] [173] Various transport systems can be used to transport biomass material, for example, as discussed, into a cavity, and under an electron beam in a cavity. Exemplary conveyors are belt conveyors, pneumatic conveyors, screw conveyors, trolleys, trains, trains or trolleys on rails, elevators, front loaders, backhoes, cranes, various scrapers and shovels, trucks and throwing devices can be used. For example, vibrating conveyors can be used in several processes described in this document. Vibratory conveyors are described in
[175] [175] In general, it is preferable to transport the material as quickly as possible through an electron beam to maximize flow. For example, material can be transported at rates of at least 1 ft / min, for example, at least 2 ft / min, at least 3 ft / min, at least 4 ft / min, at least 5 ft / min, at least 10 ft / min. 15 ftlmin, at least 20 ft / min, at least 25 ft / min, at least 30 ftlmin, at least 40 ftlmin, at least 50 ft / min, at least 60 ft / min, at least 70 ft / min, at least 80 ftlmin, at least 90 ftlmin. The transport rate is related to the beam current and the target irradiation dose, for example, for a biomass thickness of '/ 4 inch distributed over a 5.5 foot and 100 mA width conveyor, the conveyor can move at about 20 ft / min to provide a useful irradiation dosage (for example, about 10 Mrad for a single pass), at 50 Ma the conveyor can move at about 10 ftlmin to provide approximately the same dosage of irradiation.
[176] [176] The rate at which the material can be transported depends on the shape and mass of the material being transported and the treatment desired. Flow materials, for example, particulate materials, are particularly responsible for transporting with vibrating conveyors. Transport speeds can be, for example, at least 100 lb / h (for example, at least 500 lb / h, at least 1000 lb / h, at least 2000 lb / h, at least 3000 lb / h, at least 4000 lblh, at least 5000 lblh, at least 10,000 lblh, at least 15,000 lb / h or even at least 25,000 lb / h). Some typical transport speeds can be between about 1000 and 10,000 lblh, (for example, between about 1000 lb / h and 8000 lb / h, between about 2000 and 7000 lb / h, between about 2000 and 6000 lb / h , between about 2000 and 5000 lb / h, between about 2000 and 4500 lb / h, between about 1500 and 5000 lb / h, between about 3000 and 7000 lblh, between about 3000 and 6000 lb / h, between about 4000 and 6000 lb / h and between about 4000 and 5000 lb / h). Typical transport speeds depend on the density of the material. For example, for a biomass with a density of about 35 lblft3, and a transport speed of about 5000 lb / h, the material is transported at a rate of about 143 ft31h, if the material is 1/4 " thick and is in a 5.5 ft wide chute, material is transported at a rate of around 1250 ft / hr (about 21 ftlmin). Material transport rates can therefore vary widely. For example, a '/ 4 "thick biomass layer is transported at a speed between about 5 and 100 ft / min (for example, between about 5 and 100 ft / min, between about 6 and 100 ftlmin, between about from 7 and 100 ft / min, between about 8 and 100 ft / min, between about 9 and 100 ftlmin, between about 10 and 100 ft / min, between about 11 and
[177] [177] The vibrating conveyors described may include screens used for sieving and classifying materials. Door openings on the side or bottom of the gutters can be used for sorting, selecting or removing specific materials, for example, by size or shape. Some conveyors have counterweights to reduce the dynamic forces on the support structure. Some vibrating conveyors are configured as spiral elevators, are designed to curve around surfaces and / or are designed to spill material from one conveyor to another (for example, on a step, waterfall or series of steps or a ladder ). Along with the transported materials, conveyors can be used alone or coupled with other equipment or systems, to sort, separate, classify, distribute, size, inspect, collect, remove metal, freeze, merge, mix, orient, heat, cook, dry , dehydrate,
[178] [178] Conveyors (eg vibrating conveyor) can be made of corrosion resistant materials. Conveyors can use structural materials that include stainless steel (for example, 304, 316 stainless steel, HASTELLOY® ALLOYS and INCONEL® Alloys). For example, HASTELLOY ® Corrosion Resistant alloys from Hynes (Kokomo, Indiana, USA), such as HASTELLOY® B-3® ALLOY, HASTELLOY® HYBRID-BC1® ALLOY, HASTELLOY® C-4® ALLOY, HASTELLOY® ALLOY C-22®, LIGA HASTELLOY® C-22HS®, LIGA HASTELLOY® C-276®, LIGA HASTELLOY® C-2000®, LIGA HASTELLOY® G-30®, LIGA HASTELLOY® G-35®, LIGA HASTELLOY® N and HASTELLOY® ULTIMET® ALLOY.
[179] [179] Vibrating conveyors may include non-stick release coatings, for example, TUFFLONTM (Dupont, Delaware, USA). Vibrating conveyors may include corrosion resistant coatings. For example, coatings can be supplied from Metal Coatings Corp (Houston, Texas, USA) and others, such as Fluoropolymer, XYLAN®, Molybdenum Disulfide, Phenolic Epoxy, ferrous phosphate metal coating, high gloss Polyurethane finish for epoxy, inorganic zinc, Polytetrafluoroethylene, PPSIRYTON®, fluorinated ethylenepropylene, PVDF / DYKOR®, ECTFE / HALARO and Ceramic Epoxy Coating. Coatings can improve resistance to process gases (eg ozone), chemical corrosion, honeycomb corrosion, corrosion by excoriation and oxidation.
[180] [180] Optionally, in addition to the transport systems described in this document, one or more other transport systems can be involved. When using a compartment, the wrapped conveyor can also be purged with an inert gas in order to maintain an atmosphere at a reduced oxygen level. Keeping oxygen levels low prevents the formation of ozone, which in some cases is undesirable due to its reactive and toxic nature. For example, oxygen can be less than about 20% (for example, less than about 10%, less than about 1%, less than about 0.1%, less than about 0 , 01%, or even less than about 0.001% oxygen). Purging can be done with an inert gas including, but not limited to, nitrogen, argon, helium or carbon dioxide. This can be provided, for example, from a boil from a liquid source (for example, liquid nitrogen or helium), generated or separated from air in situ or supplied from tanks. The inert gas can be recirculated and any residual oxygen can be removed using a catalyst, such as a bed of copper catalyst. Alternatively, combinations of purging, recirculating and removing oxygen can be done to keep oxygen levels low.
[181] [181] The wrapped conveyor can also be purged with a reactive gas that can react with biomass. This can be done before, during or after the irradiation process. Reactive gas can be, but is not limited to nitrous oxide, ammonia, oxygen, ozone, hydrocarbons, aromatic compounds, amides, peroxides, azides, halides, oxyhalides, phosphides, phosphines, arsines, sulfides, thiols, boranes and hydrides. Reactive gas can be activated in the compartment, for example, by irradiation (for example,
[182] [182] Purged gases supplied to a wrapped conveyor can also be cooled, for example, below about 25 ° C, below about 0 ° C, below about -40 ° C, below about -80 ° C, below about -120 ° C. For example, the gas can be evaporated from a compressed gas, such as liquid nitrogen or sublimated from solid carbon dioxide. As an alternative example, the gas can be cooled by a cooling machine or part or all of the conveyor can be cooled. OTHER MODALITIES
[183] [183] Any materials, processes or processed materials discussed in this document can be used in the production of products and / or intermediates such as composites, fillers, binders, plastic additives, adsorbents and controlled release agents. Methods can include densification, for example, by applying pressure and heat to materials. For example, composites can be made by combining fibrous materials with a resin or polymer. For example, a radiation resin susceptible to crosslinking, for example, a thermoplastic resin can be combined with fibrous material to provide a fibrous material / resin susceptible to crosslinking. Such materials can be, for example, useful as building materials, protective sheets, containers and other structural materials (for example, molded and extruded products). Absorbents can be, for example, in the form of tablets, chips, fibers and sheets. Adsorbents can be used, for example, as pet beds, packaging materials or in pollution control systems. Controlled release dies can also be in the form of, for example, tablets, chips, fibers or sheets. Controlled release matrices can, for example, be used to release medication, biocides and fragrances. For example, composites, absorbents and release control agents and their uses are described in International Serial No. PCT / US 2006/010648, filed on March 23, 2006 and US Patent No. 8,074,910 filed on 22 November 2011, the totalities of which are incorporated by reference in this document.
[184] [184] In some cases, the biomass material is treated at a first level to reduce recalcitrency, for example, using accelerated electrons, to selectively release one or more sugars (for example, xylose). The biomass can then be treated at a second level to release one or more other sugars (for example, glucose). Optionally, the biomass can be dried between treatments. Treatments may include applying chemical and biochemical treatments to release sugars. For example, a biomass material can be treated at a level of less than approximately 20 Mrad (for example, less than approximately 15 Mrad, less than approximately 10 Mrad, less than approximately 5 Mrad, less than approximately 2 Mrad) and then treated with a sulfuric acid solution, containing less than 10% sulfuric acid (for example, less than approximately 9%, less than approximately 8%, less than approximately 7%, less than approximately 6 %, less than approximately 5%, less than approximately 4%, less than approximately 3%, less than approximately 2%, less than approximately 1%, less than approximately 0.75%, less than approximately 0.50% , less than approximately 0.25%) to release xylose. Xylose, for example, which is released in solution, can be separated from the solids and, optionally, the solids can be washed with some solvent / solution (for example, with water and / or acidified water). Optionally, the Solids can be dried, for example, in air and / or under vacuum conditions optionally with heating (for example, below about 150 ° C, below about 120 ° C) to a water index below about 25% by weight (below about 20% by weight, below about 15% by weight, below about 10% by weight, below about 5% by weight). The solids can then be treated to a level of less than about 30 Mrad (for example, less than about 25 Mrad, less than about 20 Mrad, less than about 15 Mrad, less than about 10 Mrad, less than about 5 Mrad, less than about 1 Mrad or none at all) and then be treated with an enzyme (for example, cellulase) to release glucose. Glucose (for example, glucose in solution) can be separated from the remaining solids. The solids can then be further processed, for example, used to make energy or other products (for example, products derived from lignin). FLAVORS, FRAGRANCES AND COLORING
[185] [185] Any of the products listed the intermediates described in this document, for example, produced by the processes, systems and equipment described in this document, can be combined with flavors, fragrances, dyes and mixtures thereof. For example, any one or more (optionally together with flavors, fragrances and / or dyes) of sugars, organic acids, fuels, polyols, such as sugar alcohols, biomass, fibers and compounds, can be combined with (for example, formulated , mixed or reacted) or used in the manufacture of other products. For example, one or more of such products can be used in the production of soaps, detergents, sweets, drinks (for example, cola, wine, beer, alcoholic beverages such as gin or vodka, sports drinks, coffees, teas) , syrups, drugs, adhesives, sheets (for example, fabrics, nonwovens, filters, wipes) and composites
[186] [186] Flavors, fragrances and dyes can be added in any amount, such as between about 0.001% by weight to about 30% by weight, for example, between about 0.01 to about 20, between about 0 0.05 to about 10% by weight, or between about 0.1% by weight to about 5% by weight. These can be formulated, mixed and or reacted (for example, with any product or intermediate described herein, or more) by any means and in any order or sequence (for example, stirred, mixed, emulsified, gelled, infused, heated, sonicated, he was suspended). Fillers, binders, emulsifiers, antioxidants can also be used, for example, protein gels, gums and silicone.
[187] [187] In one embodiment, flavors, fragrances and dyes can be added to the biomass immediately after the biomass is irradiated, such that the reactive sites created by the irradiation can react with compatible reactive sites of the flavors, fragrances and dyes.
[188] [188] Flavors, fragrances and dyes can be natural and / or synthetic materials. These materials can be one or more of a compound, composition or mixtures thereof (for example, a natural or formulated composition of several compounds). Optionally, flavors, fragrances, antioxidants and dyes can be biologically derived, for example, from a fermentation process (eg
[189] [189] Some examples of flavor, fragrances and dyes are polyphenols. Polyphenols are pigments responsible for red, purple and blue dyes of many fruits, vegetables, cereal grains and flowers. Polyphenols can also have antioxidant properties and often taste bitter. The antioxidant properties make these preservatives important. In the class of polyphenols are flavonoids, such as anthocyanins, flavanonoids, flavan-3-ools, s, flavanones and flavanones. Other phenolic compounds that can be used include phenolic acids and their esters, such as chlorogenic acid and polymeric tannins.
[190] [190] Among inorganic coloring compounds, organic and mineral compounds can be used, for example, titanium dioxide, zinc oxide, aluminum oxide, cadmium yellow (eg CdS), orange
[191] [191] Some flavors and fragrances that can be used include ACALEA TBHQ, ACET C-6, ALIL AMIL GLICOLATE, ALFA TERPINEOL, AMBRETOLIDA, AMBRINOL 95, ANDRANE, AFERMATO, APPLELIDA, BACDANOL®, BERGAMAL, ÉPDXIDO DE BETA-IONONA, ÉPDXIDO DE BETA-IONONA, ISOBUTYLIC OF BETA NAFTIL, BICYCLONONALACTONE, BORNAFIX®, CANTHOXAL, CASHMERAN®, CASHMERAN® VELVET, CASSIFFIX®, CEDRAFIX, CEDRAMBER®, CEDRYL ACETATE, CELESTRY, CINESTRATE, CINESTRATE, CINETRYL, CITRONELIL ACETATE, PURE CITRONELIL ACETATE, CITRONELIL FORMAT, CLARYCET, CLONAL, CONIFERAN, PURE CONIFERAN, 50% PEOMOSA, CYCLABUTE, CYCLACET®, CYCLAPROP®, CYCLAPROP®, CYCLAPROP®, CYCLAMETTE , DIIDRO CYCLACETO, DIIDRO MIRCENOL, DIIDRO TERPINEOL, DIIDRO TERPINYL ACETATE, DIMETHYL CYCLORMOL, DIMETHYL OCTANOL PQ, DIMIRCETOL, DIOLA, DIPENTENE, DULCINYL® RECRISTALIZED, FYRIDALYLATE, EYGHYL-DYNATE, SUPER GLYCORATE FLORALOZONE, FLORIFFOL, FRAISTONE, FRUCTONA, GALAXOLIDE® 50, GALAXOLIDE® 50 BB, GALAXOLIDE® 50 IPM, GALAXOLIDE® NON-DILUTED, GALBASCONA, GENERALDEHYDE, GERANIOL 5020, GERANIOL TYPE 600, GOLANIOLE, , GERANIOL COEUR, ACETATE OF
[192] [192] Dyes may be among those listed on the Color Index International by the Society of Dyers and Colourists. Dyes can include dyes and pigments and include those commonly used in the coloring of textile materials, paints, inks and inks for inkjet printing. Some of the dyes that can be used to be used include carotenoids, arylidium yellows, diarylidium yellows, naphthols, naphthols, benzimidalozones, diazo-type condensation pigments, pyrazolones, nickel-azo yellow, phthalocyanines, quinacridones, perylenes and perinones, pigments indoline and isoindolinone, triarylcarbonium pigments, diceto-pyrrole-pyrol pigments, thioindigoids. Carotenoids include, for example, alpha-carotene, beta-carotene, gamma-carotene,
[193] [193] Other than the examples in this document, or unless expressly specified otherwise, all numerical ranges, quantities, values and percentages, such as those for material quantities, elementary contents, reaction times and temperatures, quantity ratios and others, in the following portion of the specification and appended claims may be read as if preceded by the expression "about", even though the term "about" may not expressly appear with the value, quantity or ranges. Consequently, unless otherwise indicated, the numerical parameters set out in the following specification and in the appended claims are approximations that may vary depending on the desired properties to be obtained by the present invention. At a minimum, and not as an attempt to limit the application of the doctrine of equivalents to the scope of the claims, each numeral parameter must at least be interpreted in the light of the number of significant digits reported and by the application of conventional rounding techniques.
[194] [194] Notwithstanding that the numerical ranges and parameters establishing the broad scope of the invention are approximations, the numerical values established in the specific examples are reported as precisely as possible. Any numerical value inherently, however, contains errors necessarily resulting from the standard deviation found in their respective test measurements. In addition, when numeric ranges are established in this document, these ranges include the various endpoints mentioned (for example, endpoints can be used). When percentages by weight are used in this document, the reported numerical values are relative to the total weight.
[195] [195] In addition, it should be understood that any numerical range mentioned in this document is intended to include all sub-ranges subsumed therein. For example, a scale of "1 to 10" is intended to include all sub-intervals between (and including) the minimum recited value of 1 and the maximum recited value of 10, that is, having a minimum value equal to or greater than 1 and a maximum value equal to or less than 10. The terms "one", "one", or "one" are used in this document to include "at least one" or "one or more," unless otherwise indicated.
[196] [196] Any patent, publication or other disclosure material, in whole or in part, that is to say, to be incorporated by reference in this document is incorporated into this document only insofar as the incorporated material does not conflict with the definitions, statements or other existing disclosure material set forth in this disclosure. As such and to the extent necessary, the disclosure, as explicitly stated in this document, replaces any conflicting material incorporated in this document by reference. Any material, or portion thereof, that is said to be incorporated by reference in this document, but which conflicts with the definitions, statements, or other disclosure material in this document established will only be incorporated to the extent that no conflict arises between the incorporated material and the existing disclosure material.
[197] [197] While this invention has been particularly shown and described with reference to its preferred modalities, it will also be understood by those skilled in the art that various changes in shape and details can be made, without departing from the scope of the invention encompassed by attached claims.

权利要求:
Claims (27)
[1]
1. A treatment facility, characterized by the fact that it comprises: a cavity containing walls, ceiling and a base; and within the limits of the cavity, a material transport system configured to transport biomass under an electron beam.
[2]
2. The installation according to claim 1, characterized by the fact that each of the walls comprises a plurality of discrete units.
[3]
3. The installation, according to claims 1 and 2, characterized by the fact that it comprises a plurality of discrete units.
[4]
4. The installation, according to any of the preceding claims, characterized by the fact that the cavity is reconfigurable.
[5]
5. The installation, according to any of the preceding claims, characterized by the fact that it comprises an electron irradiation device supported by the cavity roof and arranged in order to radiate biomass transported by a conveyor system.
[6]
6. The installation, according to claim 5, characterized by the fact that the irradiation device weighs at least 5 tons.
[7]
7. The installation, according to claim 5, characterized by the fact that the irradiation device weighs at least 10 tons.
[8]
8. The installation, according to claim 5, characterized by the fact that the irradiation device weighs between about 5 and about 20 tons.
[9]
9. The installation, according to any of the preceding claims, characterized by the fact that the base comprises a concrete slab.
[10]
10. The installation, according to any of the preceding claims, characterized by the fact that the walls comprise interconnecting blocks.
[11]
11. The installation, according to any of the preceding claims, characterized by the fact that the walls support a network of I beams and the beams I support ceiling panels.
[12]
12. The installation, according to any of the preceding claims, characterized by the fact that the walls, the ceiling and the base are at least 1.2 m thick.
[13]
13. The installation, according to any of the preceding claims, characterized by the fact that the walls, the ceiling and the base are at least 1.5 m thick.
[14]
14. The installation, according to any of the preceding claims, characterized by the fact that the walls, the ceiling and the base are between about 1.2 m and 3 m thick.
[15]
15. The installation, according to any of the preceding claims, characterized by the fact that the walls, the ceiling and the base include concrete and the concrete is selected from a group consisting of normal concrete, high density concrete, pre concrete -tensioned, concrete containing lead, concrete containing rebar and combinations thereof.
[16]
16. The installation, according to any of the preceding claims, characterized by the fact that the cavity additionally comprises a door substantially opaque to radiation.
[17]
17. The installation, according to claim 16, characterized by the fact that the door comprises a steel interior in contact with a front layer and a rear layer comprising lead.
[18]
18. The installation according to any of the preceding claims, characterized in that it additionally comprises an opening for continuous supply of biomass into the cavity and the conveyor, and openings for a continuous loop conveyor for continuous removal of the conveyor and for out of the cavity.
[19]
19. Method of treatment of a biomass material, the method being characterized by the fact of understanding; the irradiation of a lignocellulosic biomass with an electron beam, in a cavity that contains a base, walls and a ceiling, in which each of the walls comprises a plurality of discrete units.
[20]
20. Method according to claim 19, characterized in that it comprises a plurality of discrete units.
[21]
21. Method, according to claim 20, characterized by the fact that the walls support a network of I beams and the beams support the ceiling.
[22]
22. Method according to claims 19-21, characterized in that the walls comprise interconnecting blocks.
[23]
23. Method according to any one of claims 19-22, characterized by the fact that the walls, the ceiling and the base include concrete and the concrete is selected from a group consisting of normal concrete, high density concrete, concrete pre-tensioned, concrete containing lead, concrete containing rebars and combinations thereof.
[24]
24. Method according to any one of claims 19-23, characterized in that the cavity is reconfigurable, and the method comprises reconfiguring the cavity after irradiation of the biomass, and irradiation after a second biomass in the reconfigured cavity .
[25]
25. Method according to any one of claims 19-24, characterized in that the lignocellulosic material is in the form of wood or laminate.
[26]
26. Method according to any one of claims 19-24, characterized by the fact that the lignocellulosic material is selected from the group consisting of wood, particle board, sawdust,
agricultural waste, waste water, silage, grasses, wheat straw, rice husk, cane bagasse, cotton, jute, hemp, flax, bamboo, sisal, abaca, straw, ears of corn, corncob, millet, alfalfa, hay, coconut yarn, seaweed, seaweed, and their combinations.
[27]
27. Method according to any of claims 19-26, characterized in that the conveyor comprises a vibrating conveyor.
11E: 3 I-
LL

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法律状态:
2018-11-13| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2020-04-14| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2020-04-22| B06I| Publication of requirement cancelled [chapter 6.9 patent gazette]|Free format text: ANULADA A PUBLICACAO CODIGO 6.21 NA RPI NO 2571 DE 14/04/2020 POR TER SIDO INDEVIDA. |

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2021-05-25| B07A| Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]|

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2021-10-13| B09B| Patent application refused [chapter 9.2 patent gazette]|

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2021-10-13| B350| Update of information on the portal [chapter 15.35 patent gazette]|

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2021-11-23| B350| Update of information on the portal [chapter 15.35 patent gazette]|

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2022-01-04| B09B| Patent application refused [chapter 9.2 patent gazette]|Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL |

优先权:

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