Process for producing mixed oxide powders from deactivated denox catalysts

US5837635A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Jurgen Kischkewitz · Ratingen, DE
• Gunter Linde · Krefeld, DE
• Hans-Joachim Schittenhelm · Neunburg vorm Wald, DE
• Gunter Lailach · Krefeld, DE
• Kai Butje · Duisburg, DE

Key dates

• Filing date: Apr 16, 1997
• Grant date: Nov 17, 1998
• Expiry date: Apr 16, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P10/20
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention relates to a process for re-processing deactivated DENOX catalysts on the basis of Ti/V/Mo/W mixed oxides.