Decontamination of gases by scrubbing

US4892718A · kind A · utility

Inventors

• Siegfried Peter · Erlangen, DE
• Georg Haertel · Bocholt, DE

Key dates

• Filing date: Jul 15, 1986
• Grant date: Jan 9, 1990
• Expiry date: Jul 15, 2006

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S423/14
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

COS, CS.sub.2, mercaptan, SH.sub.2, SOX and/or NOX are removed from a host gas by scrubbing using a solution of a salt of Scandium, Yttrium, an element of the Lanthanide or Actinium groups or blends thereof in water or in organic solvent.