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    • 5. 发明公开
    • Process for producing acrolein and acrylic acid
    • Verfahren zur Herstellung von Acrolein undAcrylsäure
    • EP1074538A2
    • 2001-02-07
    • EP00306667.7
    • 2000-08-03
    • NIPPON SHOKUBAI CO., LTD.
    • Tanimoto, MichioYunoki, HiromiHironaka, HideyukiKimura, Naomasa
    • C07C45/35C07C47/22C07C51/25C07C57/04
    • C07C51/252B01J23/002B01J23/8876B01J23/8885B01J2523/00C07C45/35C07C47/22C07C57/04B01J2523/13B01J2523/41B01J2523/54B01J2523/68B01J2523/69B01J2523/842B01J2523/845B01J2523/847
    • A process comprising producing acrolein and acrylic acid by vapor-phase catalytic oxidation of propylene with molecular oxygen or molecular oxygen-containing gas in a fixed-bed multitubular reactor, wherein

      (a) the catalysts are compound oxide catalysts of formula

              Mo a W b Bi c Fe d A e B f C g D h O x      (I)

      wherein Mo is molybdenum; W is tungsten, Bi is bismuth; Fe is iron; A is one or more element selected from cobalt and nickel; B is one or more element selected from phosphorus, antimony, boron, tin, cerium, niobium, lead, chromium and zinc; C is one or more element selected from alkali metals and thallium; D is one or more element selected from silicon, aluminum, titanium and zirconium; O is oxygen; a, b, c, d, e, f, g, h and x are the atomic ratios of Mo, W, Bi, Fe, A, B, C, D and O, respectively; such that when a is 12, b is from 0 to 5, c is from 0.1 to 10, d is from 0.1 to 10, e is from 1 to 20, f is from 0 to 5, g is from 0.001 to 3, h is from 0 to 30, and x has a value determined by the oxidation state of each element, and
      (b) the catalysts are filled in each reaction tube so as to provide two or more reaction zones disposed along the axis of the tube and such that the ratio of Bi and Fe atomic content to Mo atomic content for the catalyst in the reaction zone on the gas outlet side (M 1 ) is less than the ratio of Bi and Fe atomic content to Mo atomic content for the catalyst in the reaction zone on the gas inlet side (M 2 ).
    • 一种方法,其包括在固定床多管式反应器中通过气相催化氧化丙烯与分子氧或分子含氧气体制备丙烯醛和丙烯酸,其中(a)催化剂是式MoaWbBicFedAeBfCgDhOx的复合氧化物催化剂,其中Mo是钼 ; W是钨,Bi是铋; 铁是铁 A是选自钴和镍中的一种或多种元素; B是选自磷,锑,硼,锡,铈,铌,铅,铬和锌中的一种或多种元素; C是选自碱金属和铊的一种或多种元素; D是选自硅,铝,钛和锆中的一种或多种元素; O是氧; a,b,c,d,e,f,g,h和x分别为Mo,W,Bi,Fe,A,B,C,D和O的原子比; 使得当a为12时,b为0至5,c为0.1至10,d为0.1至10,e为1至20,f为0至5,g为0.001至3,h 为0〜30,x为由各元素的氧化态决定的值,(b)在各反应管中填充催化剂,以提供沿管轴设置的2个以上的反应区域, 气体出口侧(M1)的反应区域中的催化剂中Bi和Fe原子含量与Mo原子含量的比例小于反应区域中催化剂的Bi原子含量与Fe原子含量与Mo原子含量的比例 在气体入口侧(M2)。
    • 8. 发明公开
    • Process for producing acrolein and acrylic acid
    • 生产丙烯醛和丙烯酸的方法
    • EP1074538A3
    • 2001-07-04
    • EP00306667.7
    • 2000-08-03
    • NIPPON SHOKUBAI CO., LTD.
    • Tanimoto, MichioYunoki, HiromiHironaka, HideyukiKimura, Naomasa
    • C07C45/35C07C47/22C07C51/25C07C57/04
    • C07C51/252B01J23/002B01J23/8876B01J23/8885B01J2523/00C07C45/35C07C47/22C07C57/04B01J2523/13B01J2523/41B01J2523/54B01J2523/68B01J2523/69B01J2523/842B01J2523/845B01J2523/847
    • A process comprising producing acrolein and acrylic acid by vapor-phase catalytic oxidation of propylene with molecular oxygen or molecular oxygen-containing gas in a fixed-bed multitubular reactor, wherein (a) the catalysts are compound oxide catalysts of formulaMoaWbBicFedAeBfCgDhOx wherein Mo is molybdenum; W is tungsten, Bi is bismuth; Fe is iron; A is one or more element selected from cobalt and nickel; B is one or more element selected from phosphorus, antimony, boron, tin, cerium, niobium, lead, chromium and zinc; C is one or more element selected from alkali metals and thallium; D is one or more element selected from silicon, aluminum, titanium and zirconium; O is oxygen; a, b, c, d, e, f, g, h and x are the atomic ratios of Mo, W, Bi, Fe, A, B, C, D and O, respectively; such that when a is 12, b is from 0 to 5, c is from 0.1 to 10, d is from 0.1 to 10, e is from 1 to 20, f is from 0 to 5, g is from 0.001 to 3, h is from 0 to 30, and x has a value determined by the oxidation state of each element, and (b) the catalysts are filled in each reaction tube so as to provide two or more reaction zones disposed along the axis of the tube and such that the ratio of Bi and Fe atomic content to Mo atomic content for the catalyst in the reaction zone on the gas outlet side (M1) is less than the ratio of Bi and Fe atomic content to Mo atomic content for the catalyst in the reaction zone on the gas inlet side (M2).
    • 一种包括通过在固定床多管式反应器中用分子氧或含分子氧气体汽相催化氧化丙烯生产丙烯醛和丙烯酸的方法,其中(a)所述催化剂是式MoaWbBicFedAeBfCgDhOx的复合氧化物催化剂,其中Mo是钼; 钨是钨,铋是铋; 铁是铁; A是选自钴和镍中的一种或多种元素; B是选自磷,锑,硼,锡,铈,铌,铅,铬和锌中的一种或多种元素; C是选自碱金属和铊中的一种或多种元素; D是选自硅,铝,钛和锆中的一种或多种元素; O是氧气; a,b,c,d,e,f,g,h和x分别是Mo,W,Bi,Fe,A,B,C,D和O的原子比; 使得当a为12时,b为0至5,c为0.1至10,d为0.1至10,e为1至20,f为0至5,g为0.001至3,h 为0〜30,x为由各元素的氧化状态决定的值,(b)在各反应管中填充催化剂,从而沿管轴设置2个以上的反应区域, 在气体出口侧(M1)的反应区中催化剂的Bi和Fe原子含量与Mo原子含量之比小于反应区中催化剂中Bi和Fe原子含量与Mo原子含量之比 在气体入口侧(M2)。