Patent · US Expired

Fuel gas desulfurization

US4252778A · kind A · utility

5Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1978
Grant dateFeb 24, 1981
Priority date
Expiry dateDec 21, 1998

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D53/52
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method for removing sulfurous gases such as H.sub.2 S and COS from a fuel gas is disclosed wherein limestone particulates containing iron sulfide provide catalytic absorption of the H.sub.2 S and COS by the limestone. The method is effective at temperatures of 400.degree. C. to 700.degree. C. in particular.

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