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3. 发明授权

US5414159A Process 失效
标题翻译：处理
公开(公告)号：US5414159A
公开(公告)日：1995-05-09
申请号：US174320
申请日：1993-12-30
申请人： Paul Appleton , Michael A. Wood
发明人： Paul Appleton , Michael A. Wood
IPC分类号： B01J23/889 , C07B61/00 , C07C27/02 , C07C29/149 , C07C31/27 , C07C35/14 , C07C29/136 , C07C31/20
CPC分类号： C07C35/14 , C07C29/149 , C07C2101/14
摘要： A process is described for the production of cyclohexanedimethanol by hydrogenation of a dialkyl cyclohexanedicarboxylate which comprises the steps of:(a) providing a hydrogenation zone containing a charge of a granular reduced manganese promoted copper catalyst;(b) forming a vaporous feed stream of a hydrogenatable material comprising a dialkyl cyclohexanedicarboxylate and from about 0.1 wt % up to about 15 wt % of an acidic material at a feed temperature which is in the range of from about 150.degree. C. to about 350.degree. C. and which is above the dew point of the feed stream and at a feed pressure which is in the range of from about 150 psia (about 10.34 bar) up to about 2000 psia (about 137.90 bar), said vaporous mixture having a known hydrogen-containing gas:dialkyl cyclohexanedicarboxylate ratio;(c) supplying the vaporous feed stream to the hydrogenation zone;(d) maintaining hydrogenation conditions in the hydrogenation zone which are effective to maintain the reaction mixture in contact with the catalyst above its dew point;(e) passing the vaporous feed stream through the hydrogenation zone: and(f) recovering from the hydrogenation zone a product stream comprising cyclohexanedimethanol.
摘要翻译：描述了通过氢化环己烷二羧酸二烷基酯制备环己烷二甲醇的方法，该方法包括以下步骤：（a）提供含有粒状还原锰促进铜催化剂装料的氢化区; （b）在约150℃至约20℃的进料温度下，形成包含环己烷二羧酸二烷基酯和约0.1重量％至约15重量％酸性物质的可氢化材料的气态进料流 350℃，高于进料流的露点，进料压力在约150psia（约10.34巴）至约2000psia（约137.90巴）的范围内，所述蒸气混合物具有已知的含氢气体：环己烷二羧酸二烷基酯比例; （c）将蒸气进料流供应到氢化区; （d）保持加氢区中的氢化条件，其有效地使反应混合物与催化剂接触高于其露点; （e）使气态进料流通过氢化区;和（f）从氢化区回收包含环己烷二甲醇的产物流。

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