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    Process for producing unsaturated aldehydes, and unsaturated fatty acids
    2.
    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

    申请人： Hiromichi Ishii ,  Hideo Matsuzawa ,  Masao Kobayashi ,  Kantaro Yamada

    发明人： Hiromichi Ishii ,  Hideo Matsuzawa ,  Masao Kobayashi ,  Kantaro Yamada

    IPC分类号： B01J23/887 ,  C07C45/34 ,  C07C45/37 ,  C07C51/25 ,  C07C51/24 ,  C07C51/32

    CPC分类号： C07C45/37 ,  B01J23/8876 ,  C07C45/35 ,  C07C51/252 ,  B01J2523/00

    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。

    Process for the preparation of unsaturated carboxylic acids
    10.
    发明授权
    Process for the preparation of unsaturated carboxylic acids 失效
    不饱和羧酸的制备方法

    公开(公告)号：US4985592A

    公开(公告)日：1991-01-15

    申请号：US952111

    申请日：1978-10-17

    申请人： Hiromichi Ishii ,  Hideo Matsuzawa ,  Masao Kobayashi ,  Kazuhiro Ishii

    发明人： Hiromichi Ishii ,  Hideo Matsuzawa ,  Masao Kobayashi ,  Kazuhiro Ishii

    IPC分类号： B01J23/28 ,  B01J23/34 ,  B01J23/88 ,  B01J23/89 ,  B01J27/19 ,  B01J27/199 ,  C07C51/25 ,  C07C57/055

    CPC分类号： B01J23/8873 ,  B01J23/002 ,  B01J23/28 ,  B01J23/34 ,  B01J23/8872 ,  B01J23/8876 ,  B01J23/8877 ,  B01J23/8993 ,  B01J27/19 ,  B01J27/199 ,  C07C51/252 ,  B01J2523/00

    摘要： The gas phase catalytic oxidation of an unsaturated aldehyde with molecular oxygen at 200.degree. to 500.degree. C. to give the corresponding unsaturated carboxylic acid is conducted in the presence of a catalyst represented by the following formula:Mo.sub.12 P.sub.a X.sub.b Y.sub.c Z.sub.d O.sub.ewherein the subscripts represent the atomic ratios of each component and a is 0.5 to 6, b is 0.001 to 6, c is 0.2 to 6, d is 0 to 6, and e is a value determined by the valencies of the elements present in the catalyst; and Mo is molybdenum, P is phosphorus, O is oxygen, X is at least one metal selected from the group consisting of rhodium, cerium and zirconium, Y is at least one alkali metal selected from the group consisting of potassium, rubidium and cesium, and Z is at least one metal selected from the group consisting of iron, cobalt, nickel, zinc, antimony, silicon, bismuth, cadmium, uranium, manganese, copper, vanadium, niobium and tantalum. This catalyst is especially effective for the preparation of methacrylic acid from methacrolein and has a very long life time.

    摘要翻译： 用分子氧在200〜500℃下不饱和醛进行气相催化氧化，得到相应的不饱和羧酸，在下式表示的催化剂存在下进行：Mo12PaXbYcZdOe，其中下标表示 每个组分和a为0.5至6，b为0.001至6，c为0.2至6，d为0至6，e为由催化剂中存在的元素的价数确定的值; Mo是钼，P是磷，O是氧，X是选自铑，铈和锆中的至少一种金属，Y是选自钾，铷和铯中的至少一种碱金属， Z是选自铁，钴，镍，锌，锑，硅，铋，镉，铀，锰，铜，钒，铌和钽中的至少一种金属。 该催化剂对于从甲基丙烯醛制备甲基丙烯酸并且具有非常长的使用寿命特别有效。