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    Catalytic process for the preparation of unsaturated carboxylic acid
    61.
    发明授权
    Catalytic process for the preparation of unsaturated carboxylic acid 失效
    用于制备不饱和羧酸的催化方法

    公开(公告)号：US4341900A

    公开(公告)日：1982-07-27

    申请号：US663361

    申请日：1976-03-03

    申请人： Hiromichi Ishii ,  Hideo Matsuzawa ,  Masao Kobayashi ,  Masato Otani

    发明人： Hiromichi Ishii ,  Hideo Matsuzawa ,  Masao Kobayashi ,  Masato Otani

    IPC分类号： B01J23/28 ,  B01J23/88 ,  B01J27/186 ,  C07C51/25 ,  C07C57/055

    CPC分类号： B01J23/8872 ,  B01J23/28 ,  B01J23/887 ,  B01J23/8875 ,  B01J23/8876 ,  B01J23/8878 ,  B01J27/186 ,  C07C51/252 ,  B01J2523/00

    摘要： The gas phase catalytic oxidation of an unsaturated aldehyde with molecular oxygen at 240.degree. to 450.degree. C. to give the corresponding unsaturated carboxylic acid is conducted in the presence of a catalyst of the following formula:Mo.sub.12 P.sub.a Q.sub.b R.sub.c X.sub.d Y.sub.e Z.sub.f O.sub.gwherein Mo is molybdenum, P is phosphorus, O is oxygen, Q is calcium and/or magnesium, R is at least one metal element selected from the group consisting of potassium, rubidium, cesium and thallium, X is at least one element selected from the group consisting of boron, silicon, manganese, iron, cobalt, zinc, germanium, uranium, tin, lead, chromium, titanium, tantalum, antimony, niobium and bismuth, Y is at least one metal element selected from the group consisting of vanadium, copper and nickel, Z is strontium and/or barium, and wherein the subscripts represent the atomic ratio of each component and a is 0.5 to 6, b is 0.2 to 6, c is 0.2 to 6, d is 0.01 to 6, e is 0 to 6, f is 0 to 6, and g is a value determined by the valencies of the elements present in the catalyst.

    摘要翻译： 不饱和醛在240-450℃下的气相催化氧化，得到相应的不饱和羧酸，在下式催化剂存在下进行：Mo12PaQbRcXdYeZfOg，其中Mo是钼，P是磷， O是氧，Q是钙和/或镁，R是至少一种选自钾，铷，铯和铊的金属元素，X是选自硼，硅，锰中的至少一种元素 ，铁，钴，锌，锗，铀，锡，铅，铬，钛，​​钽，锑，铌和铋，Y是选自钒，铜和镍中的至少一种金属元素，Z是锶， /或钡，其中下标表示各成分的原子比，a为0.5〜6，b为0.2〜6，c为0.2〜6，d为0.01〜6，e为0〜6，f为0〜 6，g是由元素的价值确定的值 存在于催化剂中。

    Process for preparing hydrogen cyanide
    69.
    发明授权
    Process for preparing hydrogen cyanide 失效
    制备氰化氢的方法

    公开(公告)号：US3911089A

    公开(公告)日：1975-10-07

    申请号：US40372273

    申请日：1973-10-04

    申请人： SUMITOMO CHEMICAL CO

    发明人： SHIRAISHI TATSUO ,  ICHIHASHI HIROSHI ,  KATO FUMIYOSHI

    IPC分类号： B01J23/88 ,  B01J27/192 ,  C01C3/02 ,  C07C120/02

    CPC分类号： B01J23/8873 ,  B01J23/8874 ,  B01J23/8875 ,  B01J23/8876 ,  B01J23/8878 ,  B01J27/192 ,  C01C3/0216 ,  C01C3/0241 ,  C07C253/26 ,  Y02P20/52 ,  C07C255/08

    摘要： A process for preparing hydrogen cyanide which comprises reacting methanol or formaldehyde or their mixture, ammonia and oxygen in the presence of a catalyst composition at a temperature of 250* to 550*C and a space velocity of 50 to 5,000 hr 1 under a pressure of 0.5 to 10 atm., the said catalyst composition comprising a catalyst system of the formula: MoaBibFecXdYeZfOg wherein X is one or more of Cr, Mn, Co, Ni, Zn, Cd, Sn, W and Pb, Y is one or more of Tl and elements belonging to Group IA or IIA in the periodic table, Z is one or more of P, As and Sb and a, b, c, d, e, f and g represent respectively the number of atoms and are respectively 12, 0.1 to 24, 0 to 24, 0 to 15, 0 to 15, 0 to 5 and the total number of the oxygen atoms in the oxides of the other atoms.

    摘要翻译： 一种制备氰化氢的方法，其包括在催化剂组合物存在下，在250℃至550℃的温度和50至5000小时-1的空速下使甲醇或甲醛或其混合物，氨和氧反应， 所述催化剂组合物包含下列催化剂体系：MoaBibFecXdYeZfOg其中X是Cr，Mn，Co，Ni，Zn，Cd，Sn，W和Pb中的一种或多种，​​Y是一种 或更多的Tl和属于元素周期表中IA或IIA族的元素，Z是P，As和Sb中的一种或多种，​​a，b，c，d，e，f和g分别表示原子数， 分别为12,0.1至24,0至24,0至15,0至15,0至5以及其他原子的氧化物中的氧原子的总数。