Device with granular bed filters for raw gas purification

US4973342A · kind A · utility

Assignees

• UHDE GMBH · DE
• Ruhrkohle Oel und Gas GmbH · DE
• Hoechst GmbH · DE
• Klockner-Humboldt-Deutz AG · DE

Inventors

• Rolf Buchenau · Dortmund, DE
• Hartmut Hederer · Dortmund, DE
• Dieter Victor · Waltrop, DE
• Rainer Durrfeld · Essen, DE
• Bernard Schleper · Oberhausen, DE
• Harald Hoffmann · Much, DE

Key dates

• Filing date: Oct 4, 1989
• Grant date: Nov 27, 1990
• Expiry date: Oct 4, 2009

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D46/34
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A device for separating coarse and/or fine particles from raw gas, including a filter shell with an inlet and an outlet for bulk material, granular bed filters reaching into the raw gas inlet duct, and purified gas outlets communicating with a common outlet duct.