Separation of liquid mixtures in a film evaporator

US7414159B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Eckhard Stroefer · Mannheim, DE
• Neven Lang · Mannheim, DE
• Ute Lichtfers · Karlsruhe, DE
• Ulrich Steinbrenner · Kohlhof, DE
• Hans Hasse · Kaiserslautern, DE

Key dates

• Filing date: Mar 3, 2004
• Grant date: Aug 19, 2008
• Expiry date: Oct 13, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G2/24
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A liquid mixture comprising at least one readily volatile and at least one sparingly volatile component is separated in a film evaporator by a process in which