Patent · US Expired

Sulfur recovery plant and process using oxygen

US4798716A · kind A · utility

6Cited by
12References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 7, 1987
Grant dateJan 17, 1989
Priority date
Expiry dateDec 7, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B17/0413
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Oxygen enriched gas to Claus furnace or catalytic reactor is diluted with a process derived dilute H.sub.2 S or SO.sub.2 stream to prevent excessive temperature rise due to use of the oxygen enriched gas.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.