公开(公告)号：US6156920A

公开(公告)日：2000-12-05

申请号：US48648

申请日：1998-03-26

Applicant: James Frank Brazdil, Jr. ,  Mark Anthony Toft

Inventor： James Frank Brazdil, Jr. ,  Mark Anthony Toft

IPC: B01J23/88 ,  B01J23/00 ,  B01J23/28 ,  B01J23/887 ,  B01J37/08 ,  C07B61/00 ,  C07C253/24 ,  C07C255/07 ,  C07C255/08 ,  C07C253/00

CPC classification number: C07C253/24 ,  B01J23/002 ,  B01J23/28 ,  B01J23/8876 ,  B01J37/08 ,  B01J2523/00 ,  Y02P20/52

Abstract: A process of manufacturing acrylonitrile or methacrylonitrile by the catalytic reaction in the vapor phase of a paraffin selected from propane and isobutane with molecular oxygen and ammonia by catalytic contact of the reactants in a reaction zone with a catalyst, the feed composition having a mole ratio of the paraffin to ammonia in the range of from about 2.5 to 16 and a mole ratio of paraffin to oxygen in the range of from about 1.0 to 10, wherein said catalyst has the elements in the proportions indicated by the empirical formula:VSb.sub.m A.sub.a Mo.sub.b D.sub.d O.sub.xwhereA is one or more of Ti, Sn, Fe, Cr and Ga;D is one or more of Li, Mg, Ca, Sr, Ba, Co, Ni, Zn, Ge, Nb, Zr, W, Cu, Te, Ta, Se, Bi, Ce, In, As, B and Mn;m equals 0.8 to 4;a equals 0.01 to 2;0

Abstract translation: 通过催化反应制备丙烯腈或甲基丙烯腈的方法，所述催化反应在选自丙烷和异丁烷的分子氧和氨的气相中通过催化反应物在反应区与催化剂的接触而进行，所述进料组合物的摩尔比为 石蜡与氨在约2.5至16范围内，石蜡与氧的摩尔比在约1.0至10范围内，其中所述催化剂具有以下经验式所示比例的元素：VSbmAaMobDdOx其中A为 Ti，Sn，Fe，Cr和Ga中的一种或多种; D是Li，Mg，Ca，Sr，Ba，Co，Ni，Zn，Ge，Nb，Zr，W，Cu，Te，Ta，Se，Bi，Ce，In，As，B和Mn中的一种或多种; m等于0.8〜4; a等于0.01到2; 0