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    Ammoxidation catalyst for the production of acrylonitrile from propylene and process for producing the same
    3.
    发明公开
    Ammoxidation catalyst for the production of acrylonitrile from propylene and process for producing the same 失效
    Ammoxydationskatalysator用于从丙烯和过程及其制备生产丙烯腈的。

    公开(公告)号：EP0018103A1

    公开(公告)日：1980-10-29

    申请号：EP80300930.7

    申请日：1980-03-25

    申请人： UBE INDUSTRIES, LTD.

    发明人： Umemura, Sumio ,  Ohdan, Kyoji ,  Hidaka, Mikio ,  Kurafuji, Toshio

    IPC分类号： B01J23/88 ,  C07C120/14

    CPC分类号： B01J23/8872 ,  B01J23/8876 ,  B01J23/8877 ,  B01J23/8878 ,  C07C253/26 ,  Y02P20/52 ,  C07C255/08

    摘要： A catalyst for the ammoxidation of propylene to prepare acrylonitrile with a high yield thereof comprising an oxide composition of the empirical formula (I)
    wherein X is zirconium and/or chromium, the subscripts a, b, c, d, e, f, g, h, i and j respectively denote the number of the respective atom of the elements, when a=10, b = 0 to 8, c=0 to 8, (b+c)=2 to 10, d=0.3 to 7, e=0.01 to 3, f=0.01 to 2, g = 0. 01 to 5, h = 0.05 to 0.5, i = 0 to 2, j = 10 to 50, and the subscript k denotes the number of oxygen atoms which satisfies the average valency of the elements other than oxygen and the ratio a:k being in a range of 10:30 to 80, which catalyst is prepared by preparing an aqueous slurry containing respective element-containing compounds, by spray drying the aqueous slurry to prepare a dried solid precursory catalyst and, finally, by calcining the precursory catalyst as a temperature of from 500 to 750° C to provide an activated catalyst.