发明授权
- 专利标题： Process for isomerizing non-equilibrium xylene-containing feed streams
- 专利标题（中）： 异构化非平衡二甲苯的进料流的方法
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申请号： US11226493申请日： 2005-09-14
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公开(公告)号： US07297830B2公开(公告)日： 2007-11-20
- 发明人: Paula L. Bogdan , James E. Rekoske , Robert B. Larson , Patrick C. Whitchurch , John E. Bauer , Michael H. Quick
- 申请人： Paula L. Bogdan , James E. Rekoske , Robert B. Larson , Patrick C. Whitchurch , John E. Bauer , Michael H. Quick
- 申请人地址： US IL Des Plaines
- 专利权人： UOP LLC
- 当前专利权人： UOP LLC
- 当前专利权人地址： US IL Des Plaines
- 代理商 Maryann Maas
- 主分类号： C07C5/22
- IPC分类号： C07C5/22
摘要：
Reduced co-production of toluene and C9 and higher aromatics such as trimethylbenzene, methylethylbenzene, and diethylbenzene is achieved in processes for the isomerization of xylenes to close to equilibrium using a layered catalyst having a thin outer layer of molecular sieve and hydrogenation metal component on a core, wherein at least about 75 mass-% of the hydrogenation metal component is in the outer layer.