Catalytic oxidation of ethane to acetic acid
    11.
    发明公开
    Catalytic oxidation of ethane to acetic acid 失效
    Katalytische氧化ÄthanszurEssigsäure。

    公开(公告)号:EP0518548A2

    公开(公告)日:1992-12-16

    申请号:EP92305076.9

    申请日:1992-06-03

    Abstract: Disclosed is a process for making acetic acid which comprises oxidizing ethane with molecular oxygen in a reaction zone at a pressure of at least 100 psig while the reactants are in contact with a solid catalyst having the elements and relative atomic proportions indicated by the empirical formula:



            VP a M b O x



    where M is one or more optional element selected from
       Co, Cu, Re, Fe, Ni, Nb, Cr, W, U, Ta, Ti, Zr, Zn, Hf, Mn, Pt, Pd, Sn, Sb, Bi, Ce, As, Ag, and Au,
    wherein
       a is 0.5 to 3,
       b is 0 to 1, and
       x is a number determined by the valence requirements of the other elements in the catalyst,
    and
    wherein said catalyst contains crystalline vanadyl pyrophosphate.

    Abstract translation: 公开了一种制备乙酸的方法,其包括在反应区中在至少100psig的压力下用分子氧氧化乙烷,同时反应物与具有以下经验式所示的元素和相对原子比例的固体催化剂接触: VPaMbOx其中M是选自Co,Cu,Re,Fe,Ni,Nb,Cr,W,U,Ta,Ti,Zr,Zn,Hf,Mn,Pt,Pd,Sn,Sb,Bi ,Ce,As,Ag和Au,其中a为0.5至3,b为0至1,x为由催化剂中其它元素的化合价要求确定的数,并且其中所述催化剂含有焦磷酸结晶氧钒。

    Process for the preparation of antimonate catalysts for (AMM) oxidation of alkanes and alkenes
    19.
    发明公开
    Process for the preparation of antimonate catalysts for (AMM) oxidation of alkanes and alkenes 失效
    氧化on阿尔卡宁和阿尔肯宁(阿尔卑斯山)

    公开(公告)号:EP0867221A2

    公开(公告)日:1998-09-30

    申请号:EP98301629.6

    申请日:1998-03-05

    CPC classification number: B01J23/22 B01J23/18 B01J23/8472

    Abstract: A method of preparing a V a Sb b M m N n O x catalyst useful in the ammoxidation of a C 2 -C 5 hydrocarbon to its corresponding α, β unsaturated nitrile comprising heating an aqueous mixture comprising V 2 O 5 and Sb 2 O 3 at a temperature above about 100° to 250°C, preferably 110° to 175°C, most preferably 120° to 160°C, under autogenous pressure with agitation to form a catalyst precursor, drying the catalyst precursor and calcining the catalyst precursor to form the finished catalyst.

    Abstract translation: 一种制备可用于将C2-C5烃氨氧化成其相应的α,β不饱和腈的VaSbbMmNnOx催化剂的方法,包括在高于约100℃至250℃,优选110℃至大约110℃的温度加热包含V 2 O 5和Sb 2 O 3的含水混合物, 175℃,最优选120℃至160℃,在自生压力下搅拌以形成催化剂前体,干燥催化剂前体并煅烧催化剂前体以形成最终催化剂。

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