-
公开(公告)号：US07473666B2
公开(公告)日：2009-01-06
申请号：US10541393
申请日：2004-02-27
申请人： Hiroyuki Yanagi , Hideo Midorikawa , Tutomu Ueda
发明人： Hiroyuki Yanagi , Hideo Midorikawa , Tutomu Ueda
CPC分类号： B01J37/0045 , B01J21/08 , B01J23/002 , B01J23/887 , B01J23/8876 , B01J35/002 , B01J35/023 , B01J35/1038 , B01J35/108 , B01J37/08 , B01J2523/00 , C07C253/26 , Y02P20/52 , B01J2523/13 , B01J2523/14 , B01J2523/22 , B01J2523/3712 , B01J2523/54 , B01J2523/68 , B01J2523/842 , B01J2523/847 , B01J2523/33 , B01J2523/67 , B01J2523/845 , B01J2523/15 , B01J2523/3718 , B01J2523/3725 , B01J2523/48 , C07C255/08
摘要： A particulate porous ammoxidation catalyst for use in producing acrylonitrile or methacrylonitrile by reacting propylene, isobutene or tert-butyl alcohol with molecular oxygen and ammonia in a fluidized-bed reactor, the catalyst comprising a metal oxide and a silica carrier having supported thereon the metal oxide, wherein the metal oxide contains at least two elements selected from the group consisting of molybdenum, bismuth, iron, vanadium, antimony, tellurium and niobium, and the catalyst having a particle diameter distribution wherein the amount of catalyst particles having a particle diameter of from 5 to 200 μm is from 90 to 100% by weight, based on the weight of the catalyst, and having a pore distribution wherein the cumulative pore volume of pores having a pore diameter of 80 Å or less is not more than 20%, based on the total pore volume of the catalyst and wherein the cumulative pore volume of pores having a pore diameter of 1,000 Å or more is not more than 20%, based on the total pore volume of the catalyst. A method for efficiently producing this catalyst.
摘要翻译： 一种用于在流化床反应器中使丙烯，异丁烯或叔丁醇与分子氧和氨反应制备丙烯腈或甲基丙烯腈的颗粒状多孔氨氧化催化剂，所述催化剂包含金属氧化物和二氧化硅载体，其上载有金属氧化物 其中所述金属氧化物含有选自钼，铋，铁，钒，锑，碲和铌中的至少两种元素，所述催化剂具有粒径分布，其中粒径为 基于催化剂的重量，5至200重量％为90至100重量％，并且具有孔分布，其中孔径为80或更小的孔的累积孔体积不大于20％，基于 对于催化剂的总孔体积，其中孔径为1000以上的孔的累积孔体积不大于20％，基于t 它是催化剂的总孔体积。 一种有效生产该催化剂的方法。
-
公开(公告)号：US20060155139A1
公开(公告)日：2006-07-13
申请号：US10541393
申请日：2004-02-27
申请人： Hiroyuki Yanagi , Hideo Midorikawa , Tutomu Ueda
发明人： Hiroyuki Yanagi , Hideo Midorikawa , Tutomu Ueda
IPC分类号： B01J23/84 , C07C253/26
CPC分类号： B01J37/0045 , B01J21/08 , B01J23/002 , B01J23/887 , B01J23/8876 , B01J35/002 , B01J35/023 , B01J35/1038 , B01J35/108 , B01J37/08 , B01J2523/00 , C07C253/26 , Y02P20/52 , B01J2523/13 , B01J2523/14 , B01J2523/22 , B01J2523/3712 , B01J2523/54 , B01J2523/68 , B01J2523/842 , B01J2523/847 , B01J2523/33 , B01J2523/67 , B01J2523/845 , B01J2523/15 , B01J2523/3718 , B01J2523/3725 , B01J2523/48 , C07C255/08
摘要： A particulate porous ammoxidation catalyst for use in producing acrylonitrile or methacrylonitrile by reacting propylene, isobutene or tert-butyl alcohol with molecular oxygen and ammonia in a fluidized-bed reactor, the catalyst comprising a metal oxide and a silica carrier having supported thereon the metal oxide, wherein the metal oxide contains at least two elements selected from the group consisting of molybdenum, bismuth, iron, vanadium, antimony, tellurium and niobium, and the catalyst having a particle diameter distribution wherein the amount of catalyst particles having a particle diameter of from 5 to 200 μm is from 90 to 100% by weight, based on the weight of the catalyst, and having a pore distribution wherein the cumulative pore volume of pores having a pore diameter of 80 Å or less is not more than 20%, based on the total pore volume of the catalyst and wherein the cumulative pore volume of pores having a pore diameter of 1,000 Å or more is not more than 20%, based on the total pore volume of the catalyst. A method for efficiently producing this catalyst.
-
搜索结果
2 条记录 (耗时 0.01 秒)
