Process for deodorizing sludge

US4541986A · kind A · utility

Assignee

• Degussa AG · DE

Inventors

• Heinrich Schwab · Frankfurt, DE
• Werner Kaschke · Aschaffenburg, DE

Key dates

• Filing date: Mar 16, 1984
• Grant date: Sep 17, 1985
• Expiry date: Mar 16, 2004

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S210/916
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

Sludge, especially sewage sludge is deodorized, particularly to obtain the biomass by treating the waste water sludge (pollution sludge) with an active oxygen developing compound at 5.degree. to 40.degree.C.