Invention Grant
- Patent Title: Process for the separation of 1,4-butanediol and co-products
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Application No.: US14892436Application Date: 2014-05-28
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Publication No.: US09932284B2Publication Date: 2018-04-03
- Inventor: Kai Jürgen Fischer , Wouter Koot , Sipke Hidde Wadman , Jean Paul Andre Marie Joseph Gishlain Lange
- Applicant: SHELL OIL COMPANY
- Applicant Address: US TX Houston
- Assignee: SHELL OIL COMPANY
- Current Assignee: SHELL OIL COMPANY
- Current Assignee Address: US TX Houston
- Priority: EP13169992 20130531
- International Application: PCT/EP2014/061149 WO 20140528
- International Announcement: WO2014/191504 WO 20141204
- Main IPC: C07C29/86
- IPC: C07C29/86 ; C07D307/08 ; C07D307/33

Abstract:
The present invention provides a process for the recovery of 1,4-butanediol and at least one co-product selected from γ-butyrolactone, n-butanol and tetrahydrofuran from an aqueous stream, said process comprising the steps of providing the aqueous stream, providing a first solvent stream, combining said aqueous stream with said first solvent stream and recovering at least a portion of the 1,4-butanediol and at least a portion of at least one of the co-products by liquid-liquid extraction.
Public/Granted literature
- US20160107966A1 PROCESS FOR THE SEPARATION OF 1,4-BUTANEDIOL AND CO-PRODUCTS Public/Granted day:2016-04-21
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