Work-up of waste materials from barium or strontium sulfide leaching

US5312604A · kind A · utility

Assignee

• Kali-Chemie Aktiengesellschaft · DE

Inventors

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

Key dates

• Filing date: Dec 9, 1992
• Grant date: May 17, 1994
• Expiry date: Dec 9, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B17/42
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A process for working-up waste materials from barium sulfide or strontium sulfide leaching in which the amount of waste material to be disposed of is substantially decreased.