Coal liquefaction process

Details Coal liquefaction process Coal liquefaction process

1978-01-12

1979-04-24

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

C10G 100

Patent

active

041510666

ABSTRACT:
This invention provides an improved method for solubilizing carbonaceous materials which comprises contacting and dissolving comminuted coal in a highly aromatic petroleum residum solvent having a special chemical constituency and physical properties, and thereafter separating the solution phase from the undissolved solids.

REFERENCES:
patent: 3607718 (1971-09-01), Leaders et al.
patent: 3642608 (1972-02-01), Roach et al.
patent: 3725240 (1973-04-01), Baum
patent: 4032428 (1977-06-01), Johnson
patent: 4040941 (1977-08-01), Yamada et al.
patent: 4052291 (1977-10-01), Espenscheid et al.

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