Process for the liquefaction of coal and separation of solids fr

Details Process for the liquefaction of coal and separation of solids fr Process for the liquefaction of coal and separation of solids fr

1976-12-29

1978-03-28

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

210 54, C10G 106

Patent

active

040813584

ABSTRACT:
Production of a low mineral content fuel by a coal liquefaction process utilizing a hydrogenated coal solvent having been hydrogenated to remove at least about 80% of the asphaltenes which yields as the primary product a mixture of liquid and solids, a part of which is suspended in the liquid. The suspended solids are effectively removed with minimum loss of desired product by means of a light aromatic solvent in combination with a hydrogenated coal solvent having been hydrogenated to remove at least about 80% of the asphaltenes with a weight ratio of unreacted coal oil solvent to light aromatic solvent of from about 0.1 to about 1000.

REFERENCES:
patent: 2476999 (1949-09-01), Orchin
patent: 3505203 (1970-04-01), Nelson
patent: 3598718 (1971-08-01), Gleim et al.
patent: 3607716 (1971-09-01), Roach
patent: 3607718 (1971-09-01), Leaders et al.
patent: 3997425 (1976-12-01), Gatsis et al.

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