Patent · US Expired

Process for removing sulfur from coal

US4701183A · kind A · utility

1Cited by
7References
8Claims
0Family size

Inventors

Key dates

Filing dateSep 16, 1985
Grant dateOct 20, 1987
Priority date
Expiry dateSep 16, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10L9/02
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A process for removing sulfur from coal comprising the steps of forming a slurry of coal, a carrier liquid, and a compound selected from the group consisting of carboxylic acid, percarboxylic acid, salts of carboxylic acid, and salts of percarboxylic acid, and any combination thereof.

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