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    • 专利摘要:
    1497589 Ammoxidation process STANDARD OIL CO 30 Dec 1975 [13 Jan 1975] 53127/75 Heading C2C [Also in Divisions B1 and C5] Acrylonitrile and methacrylonitrile are made by the vapour phase ammoxidation of propylene and isobutylene respectively at 200- 600‹ C, in the presence of a catalyst comprising an active material of the formula wherein A is an alkali metal, Tl, In, Ag, Cu, Sn and/or a rare earth metal, C is a Group II metal and/or Mn and D is Ni, Co, P, As, Sb, Ge and/or B.
    公开号:SU718000A3
    申请号:SU762318851
    申请日:1976-01-12
    公开日:1980-02-25
    发明作者:Карл Грасселли Роберт；Данарадж Суреш Дев
    申请人:Дзе Стандарт Ойл Компани (Фирма)；
    IPC主号:
    专利说明:

    718,000
    X is the number of oxygen atoms sufficient to saturate the valence of the other elements present,. included in the catalyst.
    It can be seen from this formula that the number of oxygen atoms is equal to x, which is variable, since the operating conditions of these catalysts continuously acquire and melt oxygen, and therefore it is impossible to specify the exact number of oxygen atoms in these Q catalysts. PRI me R 1.
    80%. Kr. 2 ° 2
    Pulp is prepared, consisting of water and 63.56 g (LH4) of Mo 0244H20, 48.37 g of Naeco (reagent containing 40% silica sol) and mixed with a solution of 9.00 g of CgOz, 53.85 g MD (Shz) 2 BIGO, 3.03 g of CIO, (10% solution) and 14.55 g of Bi (N03).
    The pulp is evaporated to dryness and the resulting solid product is further dried for 12 hours at 120 ° C. The solid product is then heated in air at 290 ° C for 3 hours, at 425 ° C for 3 hours and at 25,550 ° C for 16 hours, and an active catalytic complex is obtained.
    PRI me R 2.
    80% JK Mg., 5 Cg BiMo. O and 20% SiO. . thirty
    This analyzer is prepared in the same manner as described in Example 1 using a pulp consisting of 63.56 g (LH4) BMO024-4H20, 49.5 g NaBcO, 40% SiO, ..., and a solution containing -. 22.24 g Cr (CrH3O2) -H, 0, 57.70 g Mg {NO) 2. 3.03 g of 10% of the KNOZI partition 14.55 g of B1 (NO) - 5Н20. The isolated product is heat treated as in Example 1.40.
    P p i. meper 3. 80%, Mn7Cr BiMo 204 and 20%
    This catalyst was prepared in the same manner as described in Example 1 using pulp containing 63.56 gf
    (NH4), 2.42 G of NaEco, 40% BUN. And a solution containing 9.00 g of CrO2, 75.18 g of Mn {NO) 2. {50% solution, 3.03 g KNO-j (10% solution) and 14.55 g BKNOj) 5H,;, Oi The solid product is isolated and heat-treated. the same way as described. .
    Example 4,
     80% Ko, and 20%
    sipi- .55
    This catalyst was prepared in the same manner as described in Example 1, using a slurry containing 63.56 g
    (NH4), - Mo-, 02.4lHj, 0, 51.13 g of NaCco, 40% SiO, and a solution containing 9.00 g of Cr-5, 69.79 g of Mn (NO3) g (50% solution), 14.55 g BKNO ,,) - 5Н5.0 and 3.03 g
    Kno.
    The isolated solid is heat treated in the same way.
    Example 5
    80% Ko, e Md, 5 Mn „5. ,, Oi and 20% Si02.
    This catalyst was prepared in the same manner as described in Example 1, using a slurry containing 63.56 g. (NH4) ,, 50.43 g NaCco, 40% SiOj., And a solution containing 9.00 g CrO ,, 26.92 g MgCNO) -, 37.60 g Mn (NO ,,) 2, 50% - Nye solution, 3.03 g of a 45% KOH solution and 14.55 g of Bi {NO) - 5Н20. The isolated solid product is subjected to heat treatment in the same way.
    Example 6
    80% Szd Cr and 20% S iO 2,
    This catalyst was prepared as described using pulp containing 63.56 g (LND), tlo-jOj 4 4Hj, O, 48.28 g, 40% SiOg, and a solution containing 9.00 g CrOe, 50 , 0 g Md (IO3) 2-bNHO, 14.55 g. BKNO) - 5H and 0.58 g CsNO. The isolated solid product is subjected to heat treatment in the same manner as described.
    Example7,
    80% Mg-Cr. Si - Mo.0, and 20%
    Mr. J 2
    B lu.
    This catalyst was prepared as described using a slurry containing 6 3, 5 6 g (LH4) bM07O2 4, 47.78 g Naeco, 40% SiOg (42.5% solution), and a solution containing 53 , 83 g Mg (NO,) ,. , 10.88 g Cu (NO) j .., 4.50 g CrO and 14.55 Bi (NO "). . The isolated solid is heat treated in the same way.
    Froze,
    80%. ,, BiMo, 0 and 20% SiOj,,
    This catalyst was prepared as described using a slurry containing 63.56 g (NHA) fe-Mo O, 49.78 g, 40% bxO, and a solution containing 53.83 g Md (NOi) 2. , 14.55 g BKNO ,,) ,, - 5Н2.0, 4.50 g СгО, 6.78 g SnOjy. The isolated solid is heat treated in the same manner as described.
    PRI m. 9,
    20, sJo -. ° °
    This catalyst was prepared in the same manner as described using a slurry containing 22.95 g (LH4) bM07024 4H20, 21.09 g NaCco (40% SiOg), and a solution containing 15.36 g Ca (NO5) 2, 3, 25 g CrOz; 6.31 g of BKNO,) .. 5H20 and 4.90 g of SnOj,, the isolated solid product is subjected to heat treatment in a similar way.
    Try on
    80% Kos Cd, Mg, Cr BiMo. Oh and; 20% SiO., - / 4
    This catalyst was prepared as described using a slurry containing 63.56 g (NH) 57.03 g NaCco (40% SiOg.) And a solution containing 9.00 g CgO, 14.55 g, BKNO, ) ,. 5H2.O, 32.39 g Cd (N03) 2 4H2p, 26.92 g Mg (NO,) ,. and 1.52 g knnoj. The isolated solid product is subjected to heat treatment in the same manner as described.
    Example 11,
    80% K, Bi, Mo, 2. ° K 20%
    This catalyst was prepared in the same manner as described using pyply containing 63.56 g (NH.) 4H, O, 57.03 g NaEco (40% SiO), and a solution containing 9.00 g CrOa, 43.65 g as BKNO,) .-, 7.32 g of ZnO and 4.55 KNO, the pulp is evaporated to dryness and heat treated in the same manner as described.
    Example 12. The preparation of the catalyst, without silica,
    In order to obtain a catalyst of Ca25 С5 СГо5. 24.93 G of Ca (4H20 is dissolved in 20 ml of water and 2.65 g of CrO and 3.99 g of SnOj are added. To this mixture 25 a solution of 18.72 g is added dropwise; (NH4.) 6Mo-, O244H, j , 0 in 50 ml of 9.3% ammonia solution, and then 25.36 g of Bi (NO), dissolved in 40 ml of 13.8% solution of 30 HNO, are added. The pH of the mixture is adjusted to 4.0 -4.5 approximately 10 ml of ammonium hydroxide .: The mixture is stirred for 30 minutes and held for 48 hours. The catalyst is washed with 1440 ml of 3S zodine, filtered and dried at 120. The catalyst is subjected to heat treatment for 16 hours. Due to leaching of calcium in the process of washing. L found about onchatelny composition is Cd, 8 catalyst.
    Examples 13-31-. Getting acrylonitrile. to
    The catalysts obtained in primers 1-10 are tested in the amyooxidation of propylene. The ratio of components in the raw materials used is propylene; : ammonia: air: water vapor 1; 1,1:: 10: 4. In each of the reactions, the catalyst is milled, sieved and charged into a reaction zone (volume 5 cm) of a tubular reactor constructed from a stainless steel tube with an inner diameter of 1 cm. Table 1 shows the catalysts, reaction temperatures, contact time and the results obtained on these catalysts.
    The amount of reacted 40 reagent x 100
    Conversion (%);
    The amount of reagent in raw materials
    Amount of product obtained X 100
    (%)
    The amount of reacted reagent
    Amount of product obtained X 100
    (%)
    The amount of reagent in raw materials
    Example 32. Obtaining Acrylonitrile using 100% activated catalyst.
    The catalyst obtained in Example 10 was used in the preparation of acrylonitrile using propylene, ammonia, air, and water vapor as a raw material in a 1: I: 8: 2 ratio. The reaction was carried out at 450 ° C and a contact time of 3 seconds. This reaction yields a 68.4% acrylonitrile yield in one pass with a selectivity of 79%.
    Examples 33-37. Ammo-oxidation of isobutylene.
    The various catalysts previously obtained are tested in the reaction of the amooxidation of isobutylene, which is carried out at a contact time of 3 s and the ratio of reactants in the feed is isobutylene Samamiak: air: water vapor Isl, 1: 10: 4. The results of these experiments are presented in table 2. Example 38. Oxidative dehydrogenation of butene-1 ..
    The catalyst obtained in example .2 is used in the oxidative dehydrogenation of butene-1 with a ratio of butene-D: air.-1: 14. The reaction is carried out at 400 ° C and a contact time of .3 s. The yield of butadiene in one pass of the raw material reaches 77.6%, the conversion of butene-1 is 86.9%, and the selectivity of conversion to butadiene is 90%.
    PRI me R 39. Oxidative dehydrogenation of butene-2, Using the catalyst prepared in Example 5, butene-2 is converted to butadiene at a ratio of reactants to raw materials - cis / trans-butene-2 (42.5% cis, .57 , 5% trance): air - 1:11. The reaction is carried out at 490 s and an apparent contact time of 3 s. Out of butadiene, one pass of raw material reaches 68.1%. The conversion of butene-2 is 73.1% and the selectivity reaches 93%.
    In a similar way, other catalysts can be prepared that correspond to this (hermule, which is used in the reactions of ammoxidation, oxidative dehydrogenation, and oxidation.
     -7718000
    Ammoxidation of propylene
    Table 1
      HLAJD J f J.
    Grod Noy 1: 2: 15: 4
    权利要求:
    Claims (1)
    [1]
    - isobutylene: ammonia: air; The invention The catalyst for the oxidation of unsaturated hydrocarbons, including silk metal, rare-earth element, chromium, bismuth, molybdenum and oxygen, differs from the fact that, in order to increase the selectivity and activity of the catalyst, it additionally contains one or more elements selected from the group Containing magnesium, calcium, zinc, cadmium, manganese, tin, has the following empirical formula: o (, 0 is a metal selected from groups containing potassium, cesium, tin, copper;
    ten
    718000 C - a metal selected from the group including magnesium, calcium, zinc, cadmium, manganese; and equal to 0.001-4; c is 0.5-10; e and f are 0.01-6; X is the number of oxygen atoms sufficient to evaluate the valence of the other elements present in the catalyst. Sources of information taken into account in the examination 1. Thomas C. Industrial catalytic processes and effective catalysts. M., Cyrus, 1973, p. 3132. The patent of the USSR 588906, cl. At 01 J 11/32, publ. 1974 (prototype).
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    同族专利:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US53540375A| true| 1975-01-13|1975-01-13|
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