Invention Grant
- Patent Title: Process for the production of a mixture comprising cyclohexanone and cyclohexanol from phenol
- Patent Title (中): 从苯酚生产包含环己酮和环己醇的混合物的方法
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Application No.: US14408614Application Date: 2013-06-27
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Publication No.: US09388107B2Publication Date: 2016-07-12
- Inventor: Wilhelmus Rudolf Maria Martens , Robert Jan De Korte , Iris Verschuren , Corinne Daguenet , Johan Thomas Tinge , Roeland Wilhelmus Theodorus Maria Brands
- Applicant: CAP III B.V.
- Applicant Address: NL Sittard
- Assignee: CAP III B.V.
- Current Assignee: CAP III B.V.
- Current Assignee Address: NL Sittard
- Agency: Nixon & Vanderhye P.C.
- Priority: EP12174157 20120628
- International Application: PCT/EP2013/063529 WO 20130627
- International Announcement: WO2014/001461 WO 20140103
- Main IPC: C07C45/00
- IPC: C07C45/00 ; C07C29/00 ; C07C51/00 ; C07C29/20 ; C07C35/08 ; C07C49/603 ; C07D223/10

Abstract:
The present invention provides a process for continuously preparing a mixture of cyclohexanone and cyclohexanol comprising, a) hydrogenating phenol with gaseous hydrogen, in the presence of platinum or palladium, in a hydrogenation reactor, to produce a hydrogenation product stream comprising cyclohexanone, cyclohexanol, phenol and hydrogen; b) cooling the hydrogenation product stream to a temperature such that the fraction of phenol by mass in a first gas phase is lower than the fraction of phenol by mass in a first liquid phase; c) separating the first gas phase from the first liquid phase; d) returning at least part of the first gas phase to the hydrogenation reactor; e) heating the first liquid phase; f) purifying the first liquid phase by distillation; characterized in that heat is transferred from the hydrogenation product stream in step b) to another part of the process by means of in-process heat exchange; a mixture of cyclohexanone and cyclohexanol obtained by the process; and a chemical plant suitable for continuously preparing mixture of cyclohexanone and cyclohexanol according to the process.
Public/Granted literature
- US20150158802A1 PROCESS FOR THE PRODUCTION OF A MIXTURE COMPRISING CYCLOHEXANONE AND CYCLOHEXANOL FROM PHENOL Public/Granted day:2015-06-11
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