IMPROVED CATALYST FOR THE MANUFACTURE OF ACRYLONITRILE

    公开(公告)号:CA2417987C

    公开(公告)日:2007-10-23

    申请号:CA2417987

    申请日:2001-08-02

    Abstract: A catalyst composition comprising a complex of catalytic oxides of iron, bismuth, molybdenum, cobalt, cerium, antimony, at least one of nickel or magnesium, and at least one of lithium, sodium, potassium, rubidium, or thallium, and characterized by the following empirical formula: AaBbCcFedBieCofCegSbhMomOx wherein A is at least one of Cr, P, Sn, Te, B, Ge , Zn, In, Mn, Ca, W, or mixtures thereof, B is at least one of Li, Na, K, Rb, Cs, Tl, or mixtures thereof, C is least one of Ni, Mg or mixtures thereof, a is 0 to 4.0, b is 0.01 to 1.5, c is 1.0 to 10.0, d is 0.1 to 5.0, e is 0.1 t o 2.0, f is 0.1 to 10.0, g is 0.1 to 2.0, h is 0.1 to 2.0, m is 12.0 to 18.0 a nd x is a number determined by the valence requirements of the other elements present. The catalyst is useful in processes for the ammoxidation of an olef in selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile and mixtures thereof, respectively.

    16.
    发明专利
    未知

    公开(公告)号:BR0309879A

    公开(公告)日:2005-03-01

    申请号:BR0309879

    申请日:2003-05-16

    Abstract: A process for increasing the yield of acetonitrile produced during the manufacture of acrylonitrile comprising introducing a hydrocarbon selected from the group consisting of propylene and propane, a carboxylic acid, ammonia and air into a reaction zone containing an ammoxidation catalyst, reacting the hydrocarbon, carboxylic acid, ammonia and oxygen over said catalyst at an elevated temperature to produce acrylonitrile, hydrogen cyanide and acetonitrile, and recovering the acrylonitrile, hydrogen cyanide and acetonitrile from the reactor.

    MIXED OXIDE CATALYST OF K, CS, CE, CR, CO, NI, FE, BI AND MOFOR THE MANUFACTURE OF ACRYLONITRILE

    公开(公告)号:CA2507182A1

    公开(公告)日:2004-06-17

    申请号:CA2507182

    申请日:2003-11-19

    Abstract: A catalyst comprising a complex of catalytic oxides comprising potassium, cesium, cerium, chromium, cobalt, nickel, iron, bismuth, molybdenum, wherein the relative ratios of these elements is represented by the following genera l formula Aa KbCsc Ced Cre Cof Nig Xh Fei Bi j Mo12 Ox wherein A is Rb, Na, Li , TI, or mixtures thereof, X is P, Sb, Te, B, Ge, W, Ca, Mg, a rare earth element, or mixtures thereof, a is about O to about 1, b is about 0.01 to about 1, c is about 0.01 to about 1, d is about 0.01 to about 3, e is about 0.01 to about 2, f is about 0.01 to about 10, g is about 0.1 to about 10, h is about 0 to about 4, i is about 0.1 to about 4, j is about 0.05 to about 4, x is a number determined by the valence requirements of the other elements present, and wherein the catalyst is substantially free of manganese and zin c. The catalyst is useful in processes for the ammoxidation of an olefin select ed from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile and mixtures thereof, respectively.

    CATALIZADOR MEJORADO PARA LA FABRICACION DE ACRILONITRILO.

    公开(公告)号:MXPA03001409A

    公开(公告)日:2004-05-04

    申请号:MXPA03001409

    申请日:2001-08-02

    Inventor: SEELY MICHAEL J

    Abstract: Una composicion de catalizador que comprende un complejo de oxidos cataliticos de hierro, bismuto, molibdeno, cobalto, cerio, antimonio, al menos uno de niquel y magnesio y al menos uno de litio, sodio, potasio, rubidio o talio y caracterizado por la siguiente formula empirica: AaBbCcFedBieCofCegSbhMomOx; en donde A es al menos uno de Cr, P, Sn, Te, B, Ge, Z n , In, Mn, Ca, W, o mezclas de los mismos, B es al menos uno de Li, Na, K, Rb, Cs, T1, o mezclas de los mismos, C es al menos uno de Ni, Mg o mezclas de los mismos, a es de 0 hasta 4.0, b es de 0.01 hasta 1.5, c es de 1.0 hasta 10.0, d es de 0.1 hasta 5.0, e es de 0.1 hasta 2.0, f es de 0.1 hasta 10.0, g es de 0.1 hasta 2.0, h es de 0.1 hasta 2.0, m es de 12.0 hasta 18.0, y x es un numero determinado por los requerimientos de Valencia de los otros elementos presentes. El catalizador es util en procesos para la amoxidacion de una olefina seleccionada del grupo que consiste de propileno, e isobutileno o mezclas de los mismos hacia acrilonitrilo, metacrilonitrilo y mezclas de los mismos respectivamente.

    19.
    发明专利
    未知

    公开(公告)号:BR0116920A

    公开(公告)日:2004-04-27

    申请号:BR0116920

    申请日:2001-03-05

    Abstract: A process for increasing the yield of one or both co-products HCN and acetonitrile produced during the manufacture of acrylonitrile comprising introducing a hydrocarbon selected from the group consisting of propylene and propane, a mixture comprising one or more alcohols selected from crude methanol, crude ethanol or crude propanol, ammonia and air into a reaction zone containing an ammoxidation catalyst, reacting the hydrocarbon, alcohol, ammonia and oxygen over said catalyst at an elevated temperature to produce acrylonitrile, hydrogen cyanide and acetonitrile, and recovering the acrylonitrile, hydrogen cyanide and acetonitrile from the reactor.

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