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    Surface modification and promotion of vanadium antimony oxide catalysts
    1.
    发明授权
    Surface modification and promotion of vanadium antimony oxide catalysts 失效
    钒氧化锑催化剂的表面改性和促进

    公开(公告)号：US5498588A

    公开(公告)日：1996-03-12

    申请号：US304029

    申请日：1994-09-09

    申请人： James F. Brazdil ,  Fernando A. P. Cavalcanti

    发明人： James F. Brazdil ,  Fernando A. P. Cavalcanti

    IPC分类号： B01J23/18 ,  B01J23/22 ,  B01J37/02 ,  C07C253/24 ,  B01J23/16

    CPC分类号： B01J23/18 ,  B01J23/22 ,  B01J37/0201

    摘要： The process of manufacturing a catalyst having the following empirical formula:VSb.sub.m A.sub.a D.sub.d O.sub.xwhere A is one or more of Ti, Sn, Fe, Cr, Ga, Li, Mg, Ca, Sr, Ba, Co, Ni, Zn, Ge, Nb, Zr, Mo, W, Cu, Te, Ta, Se, Bi, Ce, In, As, B and Mn,D is one or more of Li, Ag, Fe, Co, Cu, Cr, Mn, (VO).sup.2+, (PW.sub.12 O.sub.40).sup.3- and (PMo.sub.12 O.sub.40).sup.3-m is from about 0.5 to 10a is 0.01 to 10d is 0.0001 to 2.0, preferably 0.0001 to 0.1;x=number of oxygen ions necessary to satisfy the valency requirementcomprising forming a catalyst precursor having the formula VSbmAaOx wherein m, A, a and x are defined above, adding at least one D element to the surface of said catalyst precursor and calcining the surface modified catalyst precursor to produce said catalyst.

    摘要翻译： 制备具有以下经验式的催化剂的工艺：VSbmAaDdOx其中A是Ti，Sn，Fe，Cr，Ga，Li，Mg，Ca，Sr，Ba，Co，Ni，Zn，Ge，Nb中的一种或多种， Zr，Mo，W，Cu，Te，Ta，Se，Bi，Ce，In，As，B和Mn，D为Li，Ag，Fe，Co，Cu，Cr，Mn，（VO）2 +，（PW12O40）3-和（PMo12O40）3-m为约0.5〜10μm，为0.01〜10d为0.0001〜2.0，优选为0.0001〜0.1; x =满足价态要求所需的氧离子数，包括形成具有式VSbmAaOx的催化剂前体，其中m，A，a和x如上定义，在所述催化剂前体的表面加入至少一个D元素并煅烧表面 改性催化剂前体以产生所述催化剂。

    Paraffin ammoxidation using vanadium antimony oxide based catalysts with halide promoters
    6.
    发明授权
    Paraffin ammoxidation using vanadium antimony oxide based catalysts with halide promoters 失效
    使用具有卤化物促进剂的钒氧化锑基催化剂进行石蜡氨氧化

    公开(公告)号：US5576469A

    公开(公告)日：1996-11-19

    申请号：US461997

    申请日：1995-06-05

    申请人： James F. Brazdil, Jr. ,  Fernando A. P. Cavalcanti

    发明人： James F. Brazdil, Jr. ,  Fernando A. P. Cavalcanti

    IPC分类号： B01J23/18 ,  B01J23/22 ,  B01J23/847 ,  B01J27/057 ,  C07B61/00 ,  C07C253/24 ,  C07C253/26 ,  C07C255/08

    CPC分类号： B01J23/18 ,  B01J23/22 ,  C07C253/24 ,  Y02P20/52

    摘要： The process for the ammoxidation of a C.sub.3 to C.sub.5 paraffinic hydrocarbon to its corresponding .alpha.,.beta.-unsaturated hydrocarbon comprising reacting the C.sub.3 to C.sub.5 paraffinic hydrocarbon with ammonia and oxygen in a fluid bed reactor at a temperature of between 250.degree. C. to 600.degree. C. in the presence of a catalyst having the empirical formula as follows:V.sub.v Sb.sub.m A.sub.a D.sub.d O.sub.xwherein A when present is Sn and/or Ti;D when present is one or more of Li, Mg, Na, Ca, Sr, Ba, Co, Fe, Cr, Ga, Ni, Zn, Ge, Nb, Zr, Mo, W, Cu, Te, Ta, Se, Bi, Ce, In, As, B, Al, P and Mn; andwherein v is 1, m is 0.5-75, a is 0 to 25, d is 0 to 25, and x is determined by the oxidation state of the cations present,and a minor quantity of an halogen-containing component, preferably characterized by the following formula:R--X or X.sub.2where R=Hydrogen, C.sub.1 -C.sub.20 alkyland X=F, Cl, Br, I or mixtures thereof.

    摘要翻译： 包括将C3至C5链烷烃烃氧化成其相应的α，β-不饱和烃的方法，包括在流化床反应器中在250℃至600℃的温度下使C3至C5链烷烃与氨和氧反应 在具有以下经验式的催化剂的存在下：VvSbmAaDdOx其中A当存在时为Sn和/或Ti; 当存在时，存在的是D，Mg，Na，Ca，Sr，Ba，Co，Fe，Cr，Ga，Ni，Zn，Ge，Nb，Zr，Mo，W，Cu，Te，Ta， Bi，Ce，In，As，B，Al，P和Mn; 并且其中v为1，m为0.5-75，a为0至25，d为0至25，x由存在的阳离子的氧化态和少量含卤素组分，优选表征 通过下式：RX或X2，其中R =氢，C 1 -C 20烷基和X = F，Cl，Br，I或其混合物。