Process for treating waste water

US6325946A · kind A · utility

Assignee

• Degussa AG · DE

Inventors

• Caspar-Heinrich Finkeldei · Alzenau, DE
• Andrea Preuss · Basel, CH
• Matthias Woyciechowski · Langenselbold, DE
• Steffen Hasenzahl · Hanau, DE

Key dates

• Filing date: Jun 2, 2000
• Grant date: Dec 4, 2001
• Expiry date: Jun 2, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C02F1/725
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

Waste waters are treated with hydroxyl producers in the presence of titanium-containing silicates as catalyst.