Patent · US Expired

Process for the preparation of a carbonaceous-derived solid fuel product

US4605421A · kind A · utility

2Cited by
15References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1984
Grant dateAug 12, 1986
Priority date
Expiry dateSep 10, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10L9/10
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A method for producing carbonaceous-derived solid fuel products comprising subjecting a carbonaceous material to a temperature sufficient to remove a substantial portion of water inherent in said carbonaceous material, pyrolyzing at least a portion of the dried carbonaceous material to form a carbonaceous-based char material and simultaneously recover carbonaceous-based tar by-products and contacting at least one material selected from the group consisting of the dried carbonaceous material and the carbonaceous-based char material with a water-in-tar emulsion, said emulsion being prepared from said recovered carbonaceous-based tar by-products.

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