Method for purifying fatty acid alkyl ester greatly loaded with saponification products

US8604228B2 · kind B2 · utility

Assignee

• Lurgi GmbH · DE

Inventors

• Rudolf Bönsch · Nackenheim, DE
• Eckhard Seidel · Frankfurt, DE
• Helmut Saft · Florstadt, DE

Key dates

• Filing date: Jun 22, 2010
• Grant date: Dec 10, 2013
• Expiry date: Jun 22, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P30/20
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A method for the continuous extraction of impurities, in particular saponification products, from a fatty acid alkyl ester phase produced by transesterification of vegetable or animal oils or fats with a great tendency to form saponification products, by means of an aqueous, acid glycerol phase containing a complexing agent.