Process for separating tar and solids from coal liquefaction pro

Details Process for separating tar and solids from coal liquefaction pro Process for separating tar and solids from coal liquefaction pro

1977-10-21

1979-04-10

Levine, Herbert

Mineral oils: processes and products

Refining

208298, 208 8LE, C10G 104, C10G 2926

Patent

active

041487168

ABSTRACT:
A process for separating tar and solid particles from coal liquefaction products using a highly selective halogenated aliphatic solvent which removes essentially all of the tar and solid particles from the coal liquefaction products wherein a minimum amount of energy is used. This is accomplished by contacting said coal liquefaction products with the halogenated aliphatic solvent to form two phases, one containing said tar and solid particles and the other containing said solvent and the remainder of said coal liquefaction products.

REFERENCES:
patent: 2871181 (1959-01-01), Kulik
patent: 3511774 (1970-05-01), Long et al.
patent: 3856675 (1974-12-01), Sze et al.
patent: 4012314 (1977-03-01), Goldberger et al.
patent: 4055480 (1977-10-01), Smith et al.

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