Processes for the regeneration of an anion exchanger loaded with hexachlorostannate

US8337703B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Torsten Erwe · Odenthal, DE
• Knud Werner · Krefeld, DE
• Dirk Weiβenberg · Leverkusen, DE

Key dates

• Filing date: Jul 16, 2008
• Grant date: Dec 25, 2012
• Expiry date: Nov 18, 2030

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J49/57
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Processes comprising: providing an anion exchanger at least partially loaded with hexachlorostannate; and contacting the at least partially loaded anion exchanger with a 1 to 10 wt. % hydrochloric acid solution to regenerate the anion exchanger.