Process for deashing primary coal liquids

Details Process for deashing primary coal liquids Process for deashing primary coal liquids

1980-02-19

1982-01-26

Gantz, Delbert E.

Mineral oils: processes and products

Refining

208 8LE, C10G 100

Patent

active

043127479

ABSTRACT:
A process for deashing primary coal liquids with a selective multi-solvent extraction wherein the coal liquids and a primary solvent are contacted initially at a temperature greater than the temperature at which the deashing extraction occurs.

REFERENCES:
patent: 3583900 (1971-06-01), Gatsis
patent: 4090958 (1978-05-01), Leonard
patent: 4225420 (1980-09-01), Rhodes

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