-
公开(公告)号:US6166280A
公开(公告)日:2000-12-26
申请号:US814191
申请日:1997-03-10
申请人: Carlo Rubin , Luigi Cavalli , Esterino Conca
发明人: Carlo Rubin , Luigi Cavalli , Esterino Conca
IPC分类号: B01J23/02 , B01J23/10 , B01J23/24 , B01J23/745 , B01J23/78 , B01J23/83 , B01J23/85 , B01J35/10 , C07B61/00 , C07C5/333 , C07C5/42 , C07C15/46 , C07C2/64
CPC分类号: B01J23/85 , B01J23/78 , B01J23/83 , C07C5/3332 , C07C2523/02 , C07C2523/04 , C07C2523/10 , C07C2523/26 , C07C2523/28 , C07C2523/30 , C07C2523/745 , C07C2523/78 , C07C2523/80 , C07C2523/83 , C07C2523/85 , C07C2523/86 , C07C2523/881 , C07C2523/888 , C07C15/46
摘要: Catalysts in the form of cylindrical hollow granules, suitable for the dehydrogenation of ethylbenzene to styrene, and comprising, as active component, ferric oxide and promoters chosen among oxides of alkaline or alkaline-earth metals, oxides of elements of the lanthanide series, and chromium, tungsten, and molybdenum oxides, characterized by the absence of macroporosities with a radius of more than 50,000 .ANG. and/or by high mechanical characteristics of resistance to axial breaking and to abrasion.
摘要翻译: 圆柱形中空颗粒形式的催化剂,适用于将乙苯脱氢成苯乙烯,并且包含作为活性组分的氧化铁和选自碱金属或碱土金属的氧化物的助催化剂,镧系元素元素的氧化物和铬 ,钨和钼氧化物,其特征在于不存在半径大于50,000的大孔隙和/或通过耐轴向断裂和磨损的高机械特性。