4.
    发明专利
    未知

    公开(公告)号:ES2139313T3

    公开(公告)日:2000-02-01

    申请号:ES96303754

    申请日:1996-05-24

    Abstract: The process for the ammoxidation of a C3 to C5 paraffinic hydrocarbon to its corresponding alpha , beta -unsaturated hydrocarbon comprising reacting the C3 to C5 paraffinic hydrocarbon with ammonia and oxygen in a fluid bed reactor at a temperature of between 250 DEG C to 600 DEG C in the presence of a catalyst having the empirical formula as follows: VvSbmAaDdOx wherein 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; and wherein 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 X2 where R=Hydrogen, C1-C20 alkyl and X=F, Cl, Br, I or mixtures thereof.arbo

    Paraffin ammoxidation using vanadium antimony oxide based catalysts with halide promoters

    公开(公告)号:SG43371A1

    公开(公告)日:1997-10-17

    申请号:SG1996009891

    申请日:1996-05-25

    Abstract: The process for the ammoxidation of a C3 to C5 paraffinic hydrocarbon to its corresponding alpha , beta -unsaturated hydrocarbon comprising reacting the C3 to C5 paraffinic hydrocarbon with ammonia and oxygen in a fluid bed reactor at a temperature of between 250 DEG C to 600 DEG C in the presence of a catalyst having the empirical formula as follows: VvSbmAaDdOx wherein 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; and wherein 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 X2 where R=Hydrogen, C1-C20 alkyl and X=F, Cl, Br, I or mixtures thereof.arbo

    10.
    发明专利
    未知

    公开(公告)号:DE3832628A1

    公开(公告)日:1990-03-29

    申请号:DE3832628

    申请日:1988-09-26

    Abstract: Disclosed is a method of making an active and abrasion resistant catalyst composition comprising at least 5 weight percent alumina support and at most 95 percent of a complex oxide composition having the empirical formula: VSbmAaHbCcOx, where A is one or more of W, Sn, Mo, B, P and Ge; H is one or more of Cu, Ag, Nb, Ta, Ti, Fe, Co, Ni, Cr, Pb, Mn, Zn, Se, Te, Ga, In and As; C is one or more of an alkali metal, alkaline earth metal, and rare earths; and where m is from 0.01 and up to 20; a is 0-10; b is 0-20; c is 0-20 (usually 0-1); the ratio (a+b+c):(1+m) is 0.01-6; wherein x is determined by the oxidation state of the other elements, which method comprises mixing a hydrosol or gel of boehmite with a slurry or solution containing the other batch materials containing the elements of said formula, and thereafter drying and calcining the resultant solid.

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