Patent · US Expired

Recovery of a carbonaceous liquid with a low fines content

US4584087A · kind A · utility

23Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 14, 1982
Grant dateApr 22, 1986
Priority date
Expiry dateDec 14, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G1/045
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A method is disclosed for recovering bitumen from a carbonaceous solid feed and for recovering a carbonaceous liquid from a fines-containing carbonaceous liquid feed by extraction of the feed with a solvent of predetermined solvency power, wherein the recovered product has a low fines content.

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