Ammoxidation catalysts and methods for their preparation for use in the
production of isophthalonitrile
    51.
    发明授权
    Ammoxidation catalysts and methods for their preparation for use in the production of isophthalonitrile 失效
    氨氧化催化剂及其制备用于制备间苯二腈的方法

    公开(公告)号:US5183793A

    公开(公告)日:1993-02-02

    申请号:US789836

    申请日:1991-11-13

    IPC分类号: B01J23/847 C07C253/28

    CPC分类号: B01J23/8472 C07C253/28

    摘要: Catalysts having the general formula:V.sub.1 Bi.sub.a Sb.sub.b Fe.sub.c X.sub.d Y.sub.c Z.sub.f O.sub.gwherein,X=Mo, Cu, W, Nb, Te, P, Sn, Ge, AsY=Co, Ni, Ce, La, Mn, CrZ=Alkali, alkaline earth, B, Tl and,a=0.1-10,b=0.01-20,c=0.01-5,d=0-5,e=o-3,f=0-1, and g is determined by the valance requirements of the elements present,are produced by first forming and calcining an iron-antimony oxide composition which is subsequently combined with compounds of vanadium, bismuth and other elements. The catalysts are useful in the formation of phthalonitriles from the reaction of xylenes with oxygen and ammonia at elevated temperatures.

    摘要翻译: 具有以下通式的催化剂:其中X = Mo,Cu,W,Nb,Te,P,Sn,Ge,As Y = Co,Ni,Ce,La,Mn,Cr Z =碱,碱土金属,B, T1和a = 0.1-10,b = 0.01-20,c = 0.01-5,d = 0-5,e = o-3,f = 0-1,g由元素的价值要求决定 通过首先形成和煅烧铁 - 锑氧化物组合物,随后与钒,铋和其它元素的化合物相结合而制备。 该催化剂可用于在升高的温度下从二甲苯与氧和氨的反应形成酞腈。

    Preparation of aromatic nitriles
    54.
    发明授权
    Preparation of aromatic nitriles 失效
    芳香腈的制备

    公开(公告)号:US4814479A

    公开(公告)日:1989-03-21

    申请号:US929829

    申请日:1986-11-13

    CPC分类号: C07C255/00 C07C253/28

    摘要: Aromatic nitriles, in particular phthalodinitriles, are prepared from an appropriately alkyl-substituted aromatic hydrocarbon by catalytic oxidation with oxygen or an oxygen-containing gas in the presence of ammonia at elevated temperatures in the vapor phase, in the presence of a catalyst which contains from 2 to 10% by weight of vanadium(V) oxide, from 1 to 10% by weight of antimony(III) oxide, from 0.02 to 2% by weight of an alkali metal oxide and alumina, by a process in which from 0.01 to 1.0% by weight of an alkaline earth metal, or of a compound of an alkaline earth metal, in particular barium or a barium compound, is added to the catalyst.

    摘要翻译: 芳族腈,特别是酞腈,通过在氨气存在下,在气相的高温下,在催化剂存在下,通过在氧气或含氧气体中进行催化氧化,由适当的烷基取代的芳烃制备, 2至10重量%的氧化钒(V),1至10重量%的氧化锑(III),0.02至2重量%的碱金属氧化物和氧化铝,其中从0.01至 向催化剂中加入1.0重量%的碱土金属或碱土金属化合物,特别是钡或钡化合物。