Coal liquefaction

Details Coal liquefaction Coal liquefaction

1974-03-18

1976-05-04

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

208 10, C10G 104

Patent

active

039545954

ABSTRACT:
Insoluble material is separated from a coal liquefaction product by gravity settling in the presence of a specified promoter liquid. The settling is effected to recover a net underflow having a specified ash content and the underflow is stripped of valuable products. By controlling the ash content of the underflow, loss of valuable product in the underflow can be minimized.

REFERENCES:
patent: 3018241 (1962-01-01), Gorin
patent: 3162594 (1964-12-01), Gorin
patent: 3375188 (1968-03-01), Bloomer
patent: 3687837 (1972-08-01), Fiocco et al.
patent: 3790467 (1974-02-01), Fiocco et al.
patent: 3791956 (1974-02-01), Gorin et al.
patent: 3808119 (1974-04-01), Bull et al.
patent: 3852182 (1974-12-01), Sze et al.
patent: 3852183 (1974-12-01), Snell
patent: 3856675 (1974-12-01), Sze et al.

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