公开(公告)号：US09718752B2

公开(公告)日：2017-08-01

申请号：US14893273

申请日：2014-05-28

Applicant: SHELL OIL COMPANY

Inventor： Kai Jürgen Fischer ,  Wouter Koot ,  Arlette Wesenhagen ,  Roel Guillaume Hubertus Leonardus Bastings

IPC: C07C41/38 ,  C07C29/80 ,  C07C41/42 ,  C07C29/86

CPC classification number: C07C41/38 ,  C07C29/80 ,  C07C29/86 ,  C07C41/42 ,  C07C31/202 ,  C07C43/11

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.