Liquefaction of coal

Details Liquefaction of coal Liquefaction of coal

1976-01-28

1977-06-28

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

208 10, 210 39, C10G 106

Patent

active

040324281

ABSTRACT:
This invention provides an improved process for solvent-refining coal which involves heating an admixture of coal and a thermally stable organic solvent to solubilize substantially the coal to form a slurry of liquefaction phase and a residual solids phase, and thereafter passing the slurry through a filter bed of crushed raw coal to separate the liquefaction phase from the solids phase.

REFERENCES:
patent: 2123380 (1938-07-01), Pott et al.
patent: 2251748 (1941-08-01), Magill
patent: 2308247 (1943-01-01), Pott et al.
patent: 2476999 (1949-07-01), Orchin
patent: 3401114 (1968-09-01), Carlton et al.
patent: 3505202 (1970-04-01), Nelson
patent: 3607718 (1971-09-01), Leaders et al.
patent: 3900395 (1975-08-01), Hirs

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