Process for extracting phenols from aqueous solutions

US4626605A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Bernhard Wojtech · Bad Soden am Taunus, DE
• Manfred Mayer · Niedernhausen, DE
• Karl-Erich Ott · Hamburg, DE

Key dates

• Filing date: Oct 2, 1985
• Grant date: Dec 2, 1986
• Expiry date: Oct 2, 2005

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C37/72
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for extracting phenols from aqueous solutions. The extractant used is a salt of an aliphatic amine, having a total carbon number of at least 10, and a strong acid.