Invention Grant
- Patent Title: Process for the separation of an alkylene glycol
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Application No.: US14893273Application Date: 2014-05-28
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Publication No.: US09718752B2Publication Date: 2017-08-01
- Inventor: Kai Jürgen Fischer , Wouter Koot , Arlette Wesenhagen , Roel Guillaume Hubertus Leonardus Bastings
- 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: EP13169982 20130531
- International Application: PCT/EP2014/061158 WO 20140528
- International Announcement: WO2014/191509 WO 20141204
- Main IPC: C07C41/38
- IPC: C07C41/38 ; C07C29/80 ; C07C41/42 ; C07C29/86

Abstract:
The invention provides a process for the recovery of an alkylene glycol from an aqueous stream comprising the alkylene glycol and the corresponding dialkylene glycol, said process comprising the steps of providing the aqueous stream comprising the alkylene glycol and the corresponding dialkylene glycol, providing a first solvent stream, combining said aqueous stream comprising the alkylene glycol and the corresponding dialkylene glycol with said first solvent stream and recovering at least a portion of the alkylene glycol by liquid-liquid extraction, wherein said solvent comprises an amine.
Public/Granted literature
- US20160102035A1 PROCESS FOR THE SEPARATION OF AN ALKYLENE GLYCOL Public/Granted day:2016-04-14
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