Process for treating waste water containing organic and inorganic compounds

US5478472A · kind A · utility

Assignee

• Solvay Deutschland GmbH · DE

Inventors

• Wolfgang Dilla · Rheinberg, DE
• Helmut Dillenburg · Rheinberg, DE
• Hans-Georg Krebber · Rheinberg, DE
• Erich Ploenissen · Rheinberg, DE

Key dates

• Filing date: Apr 29, 1994
• Grant date: Dec 26, 1995
• Expiry date: Apr 29, 2014

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S210/919
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

A method for treating waste water which contains organic and inorganic compounds, particularly waste water from the synthesis of epichlorohydrins, in which the waste water is subjected to PA1 a) thermal-alkaline treatment, PA1 b) biological treatment, and PA1 c) optionally to chemical-oxidative treatment.