Method for separating undissolved solids from a coal liquefactio

Details Method for separating undissolved solids from a coal liquefactio Method for separating undissolved solids from a coal liquefactio

1976-12-14

1978-03-14

Gantz, Delbert E.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

208 8, C10G 106, B01D 2100

Patent

active

040790053

ABSTRACT:
Production of a low mineral content fuel by a coal liquefaction process utilizing an asphaltene-free hydrogenated coal solvent 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.

REFERENCES:
patent: 2476999 (1949-07-01), 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), Latsis et al.

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