Invention Grant
- Patent Title: Method for recovering carboxylic acids from dilute aqueous streams
- Patent Title (中): 从稀释水流中回收羧酸的方法
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Application No.: US13060083Application Date: 2009-08-27
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Publication No.: US08828231B2Publication Date: 2014-09-09
- Inventor: Steven G. Schon , Cecile V. Bertrand
- Applicant: Steven G. Schon , Cecile V. Bertrand
- Applicant Address: US PA King of Prussia
- Assignee: Arkema Inc.
- Current Assignee: Arkema Inc.
- Current Assignee Address: US PA King of Prussia
- Agent Steven D. Boyd
- International Application: PCT/US2009/055100 WO 20090827
- International Announcement: WO2010/027879 WO 20100311
- Main IPC: B01D11/04
- IPC: B01D11/04 ; C07C45/80 ; C07C51/48 ; B01D3/00
Abstract:
Improvement in separating lower, C2 saturated and/or C3, and/or C4, saturated and/or unsaturated mono carboxylic acids from aqueous streams via extraction by using as the extractant an organic acid or ester or mixtures thereof with a melting point below 10° C., a normal boiling point between 190 and 280° C. and a Hildebrand solubility parameter between 8 and 11 cal1/2 cm−3/2.
Public/Granted literature
- US20110147307A1 METHOD FOR RECOVERING CARBOXYLIC ACIDS FROM DILUTE AQUEOUS STREAMS Public/Granted day:2011-06-23
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