Process for producing unsaturated aldehydes, and unsaturated fatty acids
    3.
    发明授权
    Process for producing unsaturated aldehydes, and unsaturated fatty acids 失效
    生产不饱和醛和不饱和脂肪酸的方法

    公开(公告)号:US4111984A

    公开(公告)日:1978-09-05

    申请号:US667371

    申请日:1976-03-16

    摘要: At least one compound from the group of unsaturated hydrocarbons of three to four carbon atoms and t-butyl alcohol is oxidized catalytically in the gas phase in the presence of molecular oxygen at 200.degree.-450.degree. C to produce the corresponding aldehyde or acid over a calcined catalyst of the formula Mo.sub.a Sb.sub.b Bi.sub.c Fe.sub.d Ni.sub.e Sn.sub.f X.sub.g Y.sub.h O.sub.i wherein X is at least one of potassium, rubidium or cesium, Y is at least one of cobalt, uranium, germanium, tungsten or titanium, a to h are atomic ratios wherein a=12, b=0.2 to 20, c=0.2 to 12, d=0.2 to 12, e=0.2 to 12, f=0 to 20, g=0.01 to 4 and h=0 to 6 and i is a value determined by the oxidation state of the metal atoms in the catalyst.An embodiment of the calcined catalyst of the invention has the formula Mo.sub.a Sb.sub.b Bi.sub.c Fe.sub.d Ni.sub.e Sn.sub.f X.sub.g Y.sub.h Z.sub.j O.sub.i wherein X and y are as defined above and Z is palladium and a to j are atomic ratios wherein a=12, b=0.2 to 20, c=0.2 to 12, d=0.2 to 12, e=0.2 to 12, f=0 to 20, g=0.01 to 4, h=0.01 to 3, j=0.01 to 3 and i assumes a value determined by the oxidation states of the metal atoms in the catalyst.

    摘要翻译: 在200-450℃的分子氧存在下,气相中氧化至少一种来自三至四个碳原子的不饱和烃基的化合物和叔丁醇,以产生相应的醛或酸 其中X为钾,铷或铯中的至少一种,Y为钴,铀,锗,钨或钛中的至少一种,a至h为原子比,其中a = 12,b = 0.2〜 20,c = 0.2〜12,d = 0.2〜12,e = 0.2〜12,f = 0〜20,g = 0.01〜4,h = 0〜6,i为金属的氧化态 本发明的煅烧催化剂的一个实施方案具有式MoaSbbBicFedNieSnfXgYhZjOi其中X和y如上所定义,Z是钯,a至j是原子比,其中a = 12,b = 0.2至20,c = 0.2〜12,d = 0.2〜12,e = 0.2〜12,f = 0〜20,g = 0.01〜4,h = 0.01〜3,j = 0.01〜3, 由催化剂中的金属原子的氧化态引起。

    Catalytic process for the preparation of unsaturated carboxylic acid
    6.
    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

    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。