Process for producing solid aluminum chloride compositions

US4681697A · kind A · utility

Assignee

• Kali-Chemie Aktiengesellschaft · DE

Inventors

• Werner Doetsch · Homborn, DE
• Rudolf Siegel · Neuwied, DE

Key dates

• Filing date: Apr 22, 1986
• Grant date: Jul 21, 1987
• Expiry date: Apr 22, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C02F1/5245
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

A process for producing a solid, cold-water soluble, sulfate containing aluminum chloride composition suitable for use as a waste water clarifying agent comprising introducing alkali aluminate, sulfuric acid, hydrochloric acid and hydrated aluminum oxide into a spray drier and recovering the resulting solid product.