Invention Publication
- Patent Title: DEHYDRATION OF ACETIC ACID BY AZEOTROPIC DISTILLATION IN THE PRODUCTION OF AN AROMATIC ACID
- Patent Title (中): 通过共沸蒸馏在芳香酸的生产乙脱水的
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Application No.: EP13862270.9Application Date: 2013-12-11
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Publication No.: EP2931694A1Publication Date: 2015-10-21
- Inventor: URE, Alan Macpherson
- Applicant: Ure, Alan MacPherson , INVISTA Technologies S.à.r.l.
- Applicant Address: 30 Harsley Road Hartburn Stockton-on-Tees, Cleveland TS18 5DJ GB
- Assignee: Ure, Alan MacPherson,INVISTA Technologies S.à.r.l.
- Current Assignee: Ure, Alan MacPherson,INVISTA Technologies S.à.r.l.
- Current Assignee Address: 30 Harsley Road Hartburn Stockton-on-Tees, Cleveland TS18 5DJ GB
- Agency: Carpmaels & Ransford LLP
- Priority: US201261736897P 20121213
- International Announcement: WO2014093482 20140619
- Main IPC: C07C51/46
- IPC: C07C51/46 ; C07C7/06 ; C07B63/02
Abstract:
Disclosed is a process for the separation of water from a liquid phase medium containing an aliphatic carboxylic acid using azeotropic distillation in the presence of an entrainer. The entrainer, water, and organics are subsequently separated, wherein the entrainer is recycled back to the azeotropic distillation column and organics recycled back to the oxidation reactor.
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