Method of regenerating ruthenium catalysts for the hydrogenation of benzene

US8889936B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Jochem Henkelmann · Mannheim, DE
• Michael Becker · Ludwigshafen, DE
• Michael Schönherr · Bischofswerda, DE
• Wilhelm Ruppel · Mannheim, DE
• Ulrike Wegerle · Worms, DE
• Bianca Stäck · Schifferstadt, DE

Key dates

• Filing date: Jul 27, 2007
• Grant date: Nov 18, 2014
• Expiry date: Apr 3, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S585/906
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present patent application describes a method of regenerating a ruthenium catalyst for the hydrogenation of benzene, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the original activity has been attained.