Method for producing vanillin by electrochemical oxidation of aqueous lignin solutions or suspensions

US8808781B2 · kind B2 · utility

Assignees

• BASF SE
• Rheinische Friedrich-Wilhems-Universitaet Bonn · DE

Inventors

• Florian Stecker · Mannheim, DE
• Itamar Michael Malkowsky · Haßloch, DE
• Andreas Fischer · Heppenheim, DE
• Siegfried R. Waldvogel · Gau-Algesheim, DE
• Carolin Regenbrecht · Mainz, DE

Key dates

• Filing date: Aug 8, 2012
• Grant date: Aug 19, 2014
• Expiry date: Aug 8, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C25B3/23
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The present invention relates to a method for producing vanillin, which comprises an electrochemical oxidation of an aqueous, lignin-comprising suspension or solution at an anode, wherein the anode used is a silver electrode.