Method for regenerating a hydrogenation catalyst

US7622412B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Thomas Hill · Ludwigshafen, DE
• Mathias Haake · Mannheim, DE
• Harald Dialer · Munich, DE

Key dates

• Filing date: Oct 15, 2003
• Grant date: Nov 24, 2009
• Expiry date: Sep 4, 2025

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/584
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A process for regenerating a hydrogenation catalyst which has been used in a gas-phase hydrogenation, which comprises stripping at from 50 to 300° C. with a substance or a substance mixture which under the process conditions has no oxidizing action and is present in the gaseous state is described.