Fermentation process for production of acetone, butanol and ethanol using isophoron as absorbent

US8945891B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Joerg-Joachim Nitz · Essen, DE
• Gerda Grund · Coesfeld, DE
• Franz Ulrich Becker · Alzenau, DE
• Patrick Stier · Großostheim, DE

Key dates

• Filing date: Jun 13, 2012
• Grant date: Feb 3, 2015
• Expiry date: Jun 13, 2032

Classification

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

Abstract

The invention relates to a method for producing a low-molecular-weight organic compound, such as acetone, butanol, and ethanol, in a fermentation process. The method contains a step of introducing a gas flow into an aqueous solution containing microorganisms producing the low-molecular-weight organic compound; a step of recovering the gas flow through a compound comprising isophoron; and optionally a step of separating the low-molecular-weight organic compound from the composition comprising isophoron.