Patent · US Expired

Process for the conversion of carbonaceous materials

US3997426A · kind A · utility

20Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 10, 1975
Grant dateDec 14, 1976
Priority date
Expiry dateApr 10, 1995

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J35/55
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A process is provided for the conversion (including upgrading) of solid carbonaceous materials, in particular for the hydrogenation of coal slurries. The process comprises passing a slurry composed of solid carbonaceous material and solvent, together with hydrogen, through the void spaces of a fixed catalyst bed wherein the total void volume is within defined critical limits.

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