• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to process for purifying renewable feedstock comprising at least one acidulated soap-stock, wherein said process comprises the steps, where the renewable feedstock comprising at least one fatty acid is treated in a treating step with an aqueous medium, and a first stream comprising water and a second stream comprising fatty acids are obtained, and the second stream is obtained as purified renewable feedstock.
    公开号:FI20186086A1
    申请号:FI20186086
    申请日:2018-12-14
    公开日:2020-06-15
    发明作者:Andrea Gutierrez；Thomas Björklöf
    申请人:Upm Kymmene Corp；
    IPC主号:
    专利说明:

    [20] [20]ON
    N <+
    I jami a © 00O
    O 00 oN
    权利要求:
    Claims (24)
    [1] 1. A process for purifying renewable feedstock comprising at least one fatty acid, wherein said process comprises the steps, where the renewable feedstock comprising at least one fatty acid is treated in a treating step with an aqueous medium, at the temperature from 150 to 210°C, under a pressure from 5 to 70 bar (abs), where the ratio of the renewable feedstock comprising at least one fatty acid to the aqueous medium is from 1:5 to 5:1, respectively, and a first stream comprising water and a second stream comprising oil are obtained, and the second stream is obtained as purified renewable feedstock.
    [2] 2. The process according to claim 1, wherein the renewable feedstock comprising at least one fatty acid is selected from the group consisting of acidulated soap-stocks, fatty acid distillates from physical refining of plant oils or animal fats, distillers corn oil from ethanol production, waste cooking oils, lard, brown grease, trap grease, waste fats, low-grade oils, super critical water liquefaction oils, pyrolysis oils, plant oils, animal fats and combination thereof.
    [3] 3. The process according to claim 2, wherein the acidulated soap-stocks are selected from — acidulated soaps obtained from chemical refining of plant material, acidulated soaps from chemical refining of plant oils, acidulated soaps from chemical refining of animal fats, acidulated soaps from pulp production, preferably from acid oils and crude tall oil.
    [4] 4. The process according to any one of claims 1 - 3, wherein the purified renewable feedstock comprises not more than 10 mg/kg phosphorus, preferably not more than 5 mg/kg phosphorus, calculated as elemental phosphorus. © N
    [5] 5. The process according to any one of claims 1 - 4, wherein the purified renewable N feedstock comprises not more than 10 mg/kg of alkali metals, alkaline earth metals, > 30 metals of the groups VIIB and VIIIB of the Periodic table of elements, or combinations I thereof, preferably not more than 5 mg/kg, calculated as elemental metals, in total. a 8
    [6] 6. The process according to any one of claims 1 - 5, wherein the first stream comprising 3 water comprises not more than 10 000 mg/kg total organic carbon. & 35
    [7] 7. The process according to any one of claims 1 - 6, wherein the purified feedstock comprises not more than 10 mg/kg silicon, preferably not more than 5 mg/kg silicon, calculated as elemental silicon.
    [8] 8. The process according to any one of claims 1 - 7, wherein the purified renewable feedstock comprises not more than 10 mg/kg phosphorus, not more than 10 mg/kg silicon and not more than 10 mg/kg alkali metals, alkaline earth metals, metals of the groups VIIB and VIIIB of the Periodic table of elements, or combinations thereof, and the first stream comprising water comprises not more than 10 000 mg/kg total organic carbon.
    [9] 9. The process according to any one of claims 1 - 8, wherein the aqueous medium comprises water, mixtures of water and steam, or mixtures of streams comprising water or water and steam, with water soluble and/or water miscible organic compounds.
    [10] 10. The process according to any one of claims 1 - 9, wherein the aqueous medium comprises 0.01 to 3 wt% of an acid selected from sulphuric acid and C1- C10 organic acids, calculated based on the renewable feedstock comprising fatty acids.
    [11] 11. The process according to claim 10, wherein the organic acid is EDTA or C1-C6 organic acid selected from citric acid, formic acid, oxalic acid, acetic acid, butyric acid, valeric acid, caproic acid and propionic acid.
    [12] 12. The process according to claim 10, wherein the acid is sulphuric acid.
    [13] 13. The process according to any one of claims 1 — 12, wherein said process comprises the steps, where the renewable feedstock comprising at least one fatty acid is treated in a 00 treating step with an aqueous medium, at the temperature from 150 to 200°C, under a N pressure from 5 to 30 bar (abs).
    N + 30
    [14] 14. The process according to any one of claims 1 - 13, where the process comprises a I pretreatment step, where the renewable feedstock comprising at least one fatty acid is o pretreated at the temperature of 90 - 145°C. > ©
    [15] 15. The process according to claim 14, wherein the renewable feedstock comprising at S 35 least one fatty acid is pretreated in a pretreatment step, followed by the treating step, where in the pretreatment step, the renewable feedstock comprising at least one fatty acid is pretreated with an agueous medium, where the ratio of the renewable feedstockcomprising at least one fatty acid to the aqueous medium is from 1:5 to 5:1, at the temperature of 90 - 145°C, under a pressure of 0.1-10 bar (abs), and a first-stage aqueous stream is separated from a first-stage oil stream, and the first-stage oil stream is treated in the treating step with water at the temperature of 150 - 210°C, under a pressure of 5-70 bar (abs), and a first stream comprising water and a second stream comprising fatty acids are obtained, and the second stream is obtained as purified renewable feedstock.
    [16] 16. The process according to claims 14 or 15, wherein in the pretreatment step the temperature is 95 - 140°C, and the pressure is 0.5-5.5 bar (abs).
    [17] 17. The process according to any one of the claims 14-16, wherein in the treating step, the temperature is 155 - 200°C, and the pressure is 6-25 bar (abs).
    [18] 18. The process according to any one of claims 1 - 17, wherein the aqueous medium comprises not more than 3 wt% of organic compounds, preferably 0.01-3 wt%.
    [19] 19. The process according to any one of claims 1 - 18, wherein the residence time is from 10 min to 12 hours, preferably from 10 min to 7 hours.
    [20] 20. The process according to any one of claims 14 - 19, where in the pretreatment step, the renewable feedstock comprising at least one fatty acid is treated with an aqueous medium comprising an acid selected from sulfuric acid and C1- C10 organic acids, where the ratio of the renewable feedstock comprising at least one fatty acid to the aqueous medium is from 1:5 to 5:1, and where the amount of the acid is 0.01 to 3 wt% calculated based on the total feed to the reactor. © N
    [21] 21. The process according to any one of claims 1 - 20, wherein the pH of the first stream N isin the range from O to 6.5. + 30 I
    [22] 22. The process according to any one of claims 1 - 21, wherein the second stream is o fractionated to obtain a gaseous fraction, a light liquid fraction and a heavy liquid fraction. > ©
    [23] 23. The process according to any one of claims 1 - 22, wherein at least part of the first S 35 stream is recirculated to the aqueous medium. Sone process according to any one of claims 1 - 23, wherein the carbon yield is at least o.
    类似技术:
    公开号 | 公开日 | 专利标题
    CA2817685C|2019-04-30|Process and apparatus for purifying material of biological origin
    RU2624009C2|2017-06-30|Method for biological initial material purification
    US9624442B2|2017-04-18|Method of utilizing tall oil pitch
    EP3019577B1|2018-04-18|Process for producing hydrocarbons
    CA2895979C|2018-08-07|Biorefining of crude tall oil
    JP2019070154A|2019-05-09|Hydrothermal cleanup process
    CA2927863C|2018-01-16|Process for producing hydrocarbons from crude tall oil and tall oil pitch
    CA3065047C|2020-11-24|Process for purifying renewable feedstock comprising triglycerides
    US9309471B2|2016-04-12|Decontamination of deoxygenated biomass-derived pyrolysis oil using ionic liquids
    JP2021530596A|2021-11-11|Refining recycled and renewable organic materials
    FI128826B|2021-01-15|Process for purifying feedstock comprising fatty acids
    FI128827B|2021-01-15|Process for purifying renewable feedstock comprising fatty acids
    CN112204118A|2021-01-08|Process for hydrotreating a feed of diesel fuel and of a naturally occurring oil, hydrotreating unit for implementing the process and corresponding hydrorefining unit
    US20210292656A1|2021-09-23|Purification of recycled and renewable organic material
    JP2021531384A|2021-11-18|Purification of recycled and renewable organic materials
    Eboibi et al.2015|Effect of seawater and wet feedstock on product distribution and properties during hydrothermal liquefaction of microalgae
    同族专利:
    公开号 | 公开日
    US20200190426A1|2020-06-18|
    FI128826B|2021-01-15|
    CA3065201A1|2020-06-14|
    US10947478B2|2021-03-16|
    EP3666866A1|2020-06-17|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2525892A|1947-03-12|1950-10-17|Champion Paper & Fibre Co|Refining tall oil|
    US2525891A|1947-07-17|1950-10-17|Gen Precision Lab Inc|Television recording or transmitting apparatus using constant speed film|
    US2791577A|1952-05-05|1957-05-07|Albemarle Paper Mfg Company|Process for refining tall oil|
    JP5057954B2|2007-12-07|2012-10-24|Ｊｘ日鉱日石エネルギー株式会社|Method for producing hydrocarbon oil|
    WO2009131510A1|2008-04-21|2009-10-29|Sunpine Ab|Conversion of crude tall oil to renewable feedstock for diesel range fuel compositions|
    US20100050502A1|2008-08-21|2010-03-04|LiveFuels, Inc.|Systems and methods for hydrothermal conversion of algae into biofuel|
    FI124508B|2009-02-27|2014-09-30|Upm Kymmene Oyj|Method and apparatus for making fuel components from crude tall oil|
    CN101619274A|2009-05-22|2010-01-06|澧县群星化工有限责任公司|High-tower low-level fatty acid separating system|
    FI124885B|2013-06-11|2015-03-13|Upm Kymmene Corp|Process for treating heavy residues of biological material and producing liquid fuels|
    FI128343B|2016-09-30|2020-03-31|Neste Oyj|A method for purifying lipid material|
    法律状态:
    2021-01-15| FG| Patent granted|Ref document number: 128826 Country of ref document: FI Kind code of ref document: B |
    2021-10-15| MD| Opposition filed|Opponent name: NESTE OYJ |
    优先权:
    申请号 | 申请日 | 专利标题
    FI20186086A|FI128826B|2018-12-14|2018-12-14|Process for purifying feedstock comprising fatty acids|FI20186086A| FI128826B|2018-12-14|2018-12-14|Process for purifying feedstock comprising fatty acids|
    EP19214346.9A| EP3666866A1|2018-12-14|2019-12-09|Process for purifying feedstock comprising fatty acids|
    CA3065201A| CA3065201A1|2018-12-14|2019-12-13|Process for purifying feedstock comprising fatty acids|
    US16/713,204| US10947478B2|2018-12-14|2019-12-13|Process for purifying feedstock comprising fatty acids|
    [返回顶部]