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    • 20. 发明授权
    • Ammoxidation of paraffins and catalysts therefor
    • 石蜡及其催化剂的氨氧化
    • US4788317A
    • 1988-11-29
    • US47949
    • 1987-05-08
    • Andrew T. GuttmannRobert K. GrasselliJames F. Brazdil, Jr.
    • Andrew T. GuttmannRobert K. GrasselliJames F. Brazdil, Jr.
    • B01J23/30B01J23/88B01J23/888B01J27/057C07C120/14
    • B01J23/8898B01J23/30B01J23/888B01J27/057C07C253/24B01J2523/00Y02P20/52
    • Disclosed is a process for ammoxidation of paraffins containing 3-5 C atoms using a complex metal oxide catalyst which is essentially free of bismuth, and has the elements and the proportions which are represented by the following empirical formula:VSb.sub.m P.sub.n A.sub.a D.sub.b C.sub.c O.sub.xwhereA is one of more of W, Sn, B, Mo and As;D is one or more of Fe, Co, Ni, Cr, Mn, Cu, Pb, Zn, Se, Te and As;C is one or more of an alkali metal, Ca, Sr, Ba, T1 and where m is greater than 1 and up to 20; n is 0-10; a is 0.2-10; b is 0-5; c is 0-1; a is equal to or less than m; b is equal to or less than m; wherein x is determined by oxidation state of the other elements present, and wherein the antimony has an average valency higher than +3 and the vanadium has an average valency lower than +5, wherein A includes at least 0.2 atoms of W, crystalline Sb.sub.2 O.sub.4 is present in said catalyst, and wherein the foregoing catalyst is on a specified inorganic oxide support material.
    • 公开了使用基本上不含铋的复合金属氧化物催化剂使含有3-5个C原子的链烷烃进行氨氧化的方法,并且具有由以下经验式表示的元素和比例:VSbmPnAaDbCcOx其中A是更多的一种 的W,Sn,B,Mo和As; D是Fe,Co,Ni,Cr,Mn,Cu,Pb,Zn,Se,Te和As中的一种或多种; C是碱金属,Ca,Sr,Ba,T1中的一种或多种,​​其中m大于1且高达20; n为0-10; a为0.2-10; b为0-5; c为0-1; a等于或小于m; b等于或小于m; 其中x由存在的其它元素的氧化态决定,其中锑的平均价高于+3,钒的平均价低于+5,其中A包含至少0.2个W原子,结晶Sb 2 O 4为 存在于所述催化剂中,并且其中上述催化剂在特定的无机氧化物载体材料上。