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    • 3. 发明申请
    • MIXED CATALYST
    • 混合催化剂
    • US20130053596A1
    • 2013-02-28
    • US13697053
    • 2011-03-23
    • Takaaki KatoMinoru Kadowaki
    • Takaaki KatoMinoru Kadowaki
    • B01J23/30C07C253/24
    • C07C51/215B01J23/002B01J37/0045B01J37/038B01J37/04B01J37/12B01J2523/00B01J2523/36B01J2523/3706B01J2523/3712B01J2523/53B01J2523/55B01J2523/56B01J2523/68B01J2523/69C07C253/24Y02P20/52C07C57/04C07C255/08B01J2523/41B01J2523/3718B01J2523/3787B01J2523/51B01J2523/845
    • It is an object of the present invention to provide a mixed catalyst for a vapor-phase catalytic oxidation or a vapor-phase catalytic ammoxidation reaction of propane or isobutane, capable of providing a corresponding unsaturated acid or unsaturated nitrile at high yield from propane or isobutane. A mixed catalyst for a vapor-phase catalytic oxidation reaction or a vapor-phase catalytic ammoxidation reaction of propane or isobutane comprises:(a) a composite oxide represented by the following composition formula (1): Mo1VaNbbSbcWdZeOn  (1) wherein Z represents at least one element selected from the group consisting of La, Ce, Pr, Yb, Y, Sc, Sr, and Ba; each of a, b, c, d, e, and n represents an atomic ratio of each element based on Mo atom; a is in a range of 0.01≦a≦1; b is in a range of 0.01≦b≦1; c is in a range of 0.01≦c≦1; d is in a range of 0.001≦d≦1; e is in a range of 0≦e≦1; and n represents a number determined by the valence of a component metal; and(b) a tungsten compound at a ratio of the following formula (2): 0.001
    • 本发明的目的是提供一种用于丙烷或异丁烷的气相催化氧化或气相催化氨氧化反应的混合催化剂,能够以高产率从丙烷或异丁烷提供相应的不饱和酸或不饱和腈 。 用于气相催化氧化反应或丙烷或异丁烷的气相催化氨氧化反应的混合催化剂包括:(a)由以下组成式(1)表示的复合氧化物:Mo1VaNbbSbcWdZeOn(1)其中Z表示至少 选自La,Ce,Pr,Yb,Y,Sc,Sr和Ba中的一种元素; a,b,c,d,e和n中的每一个表示各元素基于Mo原子的原子比; a在0.01和nlE的范围内; a≦̸ 1; b的范围为0.01≦̸ b≦̸ 1; c的范围为0.01≦̸ c≦̸ 1; d的范围为0.001≦̸ d≦̸ 1; e在0≦̸ e≦̸ 1; n表示由成分金属的化合价决定的数; 和(b)以下式(2)的比例的钨化合物:0.001