Patent · US Expired

Liquefaction and desulfurization of coal using synthesis gas

US4011153A · kind A · utility

17Cited by
11References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 1, 1975
Grant dateMar 8, 1977
Priority date
Expiry dateApr 1, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G1/083
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A process for desulfurizing and liquefying coal by heating said coal at a temperature of 375.degree.-475.degree. C in the presence of a slurry liquid, hydrogen, carbon monoxide, steam, and a catalyst comprising a desulfurization catalyst and an alkali metal salt.

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