Method for processing residues of barium sulfide or strontium sulfide leaching

US5324500A · kind A · utility

Assignee

• Solvay Barium Strontium GmbH · DE

Inventors

• Paul Jaeger · Estell Manor, US
• Heinz-Hermann Riechers · Homborn, DE
• Karl Koehler · Bad Salzdetfurth, DE
• Martin Wulff · Homborn, DE

Key dates

• Filing date: Sep 9, 1992
• Grant date: Jun 28, 1994
• Expiry date: Sep 9, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01F11/462
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A method for treating residues of barium sulfide or strontium sulfide leaching with waste sulfuric acid and hydrochloric acid, which method significantly decreases the amount of residual material which must be disposed of.