Biotechnological method for producing butanol and butyric acid

US9765366B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Yvonne Schiemann · Essen, DE
• Liv Reinecke · Essen, DE
• Thomas Haas · Munster, DE
• Dirk Weuster-Botz · Munich, DE
• Harald Krispin

Key dates

• Filing date: Feb 22, 2013
• Grant date: Sep 19, 2017
• Expiry date: Mar 3, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E50/10
• WIPO field: Biotechnology
• WIPO sector: Chemistry

Abstract

The present invention relates to a method for producing C4 bodies, preferably butyric acid and/or butanol, comprising the steps contacting an aqueous medium comprising an acetogenic bacterial cell in an aqueous medium with syngas and incubating the mixture obtained in step a) at a temperature between 0 and 100° C. for at least 30 minutes, wherein the aqueous medium comprises, in step b), ethanol and/or acetate at a total combined concentration is at least 0.1 gL−1.