Process for destroying phosgene

US4301126A · kind A · utility

Assignee

• BASF SE

Inventors

• Gerd Duembgen · Schifferstadt, DE
• Erfried Voelkl
• Gerhard Pforr · Ludwigshafen, DE

Key dates

• Filing date: Apr 24, 1980
• Grant date: Nov 17, 1981
• Expiry date: Apr 24, 2000

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D53/8662
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

To destroy phosgene contained in gases, the phosgene is decomposed catalytically in the presence of active carbon by hydrolysis with water vapor, in the absence of liquid water, at above the dew point of water.