Absorption medium and method for removing carbon dioxide from gas streams

US8075673B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Joachim-Thierry Anders · Neheim, DE
• Johann-Peter Melder · Schifferstadt, DE
• Norbert Asprion · Ludwigshafen, DE
• Ole Brettschneider · Berlin, DE
• Iven Clausen · Mannheim, DE
• Bernd Eck · Viernheim, DE
• Ute Lichtfers · Karlsruhe, DE

Key dates

• Filing date: Oct 19, 2006
• Grant date: Dec 13, 2011
• Expiry date: Jul 15, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02C20/40
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A description is given of an absorption medium for removing carbon dioxide from gas streams which comprises aqueous solution of an amine of the formula IHNR2  (I)where one or both radicals R areand the other radical R is hydrogen. The absorption medium is distinguished by particular oxidation resistance.