Removal of water from a mixture of water, CO.sub.2 and amines

US5051188A · kind A · utility

Assignee

• BASF SE

Inventors

• Luise Spiske · Seeheim-Jugenheim, DE
• Dietrich Luetzow · Schifferstadt, DE
• Christof Herion · Ladenburg, DE
• Klaus Kuessner · Heuchelheim, DE
• Werner Hefner · Lampertheim, DE

Key dates

• Filing date: Oct 31, 1990
• Grant date: Sep 24, 1991
• Expiry date: Oct 31, 2010

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/582
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Water is removed from a mixture containing water, CO.sub.2 and one or more amines by pervaporation by bringing the mixture into contact with one side of a membrane and removing the water-containing permeate as a vapor from the other side of the membrane.