Integrated scrubbing of SO.sub.2 and production of sulfur

US4636377A · kind A · utility

Assignee

• Linde GmbH · DE

Inventors

• Michael Heisel · Munich, DE
• Freimut Marold · Dorsten, DE
• Gerhard Linde

Key dates

• Filing date: Aug 2, 1985
• Grant date: Jan 13, 1987
• Expiry date: Aug 2, 2005

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/129
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

For producing elemental sulfur, SO.sub.2 is dissolved in a regenerable solvent, which is treated with a reducing agent, and the thus-formed sulfur is separated from the solution.