公开(公告)号：US10099980B2

公开(公告)日：2018-10-16

申请号：US14893608

申请日：2014-05-28

Applicant: SHELL OIL COMPANY

Inventor： Kai Jürgen Fischer ,  Wouter Koot

IPC: C07C29/74 ,  C07C29/86 ,  B01D11/04 ,  C07C29/80

Abstract: A method of recovering an alcohol from an aqueous stream comprising: providing an aqueous stream comprising water and an alcohol; providing a solvent stream; combining the aqueous stream and the solvent stream; and recovering at least a portion of the alcohol by liquid-liquid extraction.

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.

公开(公告)号：US09932284B2

公开(公告)日：2018-04-03

申请号：US14892436

申请日：2014-05-28

Applicant: SHELL OIL COMPANY

Inventor： Kai Jürgen Fischer ,  Wouter Koot ,  Sipke Hidde Wadman ,  Jean Paul Andre Marie Joseph Gishlain Lange

IPC: C07C29/86 ,  C07D307/08 ,  C07D307/33

CPC classification number: C07C29/86 ,  C07D307/08 ,  C07D307/33 ,  C07C31/207 ,  C07C31/12

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.