Coal liquefaction process with removal of agglomerated insoluble

Details Coal liquefaction process with removal of agglomerated insoluble Coal liquefaction process with removal of agglomerated insoluble

1976-02-18

1978-02-21

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

210 83, C10G 104

Patent

active

040750809

ABSTRACT:
Production of a low ash liquid or liquefiable fuel from coal is effected by solvent treatment and separation of the undissolved solids. The latter are removed by first agglomerating the non-settling finely divided solids, and then effecting separation of the agglomerates in a downwardly moving ebullated bed of agglomerates where the upflowing fluidizing liquid is a wash solvent which preferably is a mixture of precipitating solvent and coal liquefaction solvent.

REFERENCES:
patent: 3607717 (1971-09-01), Roach
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: 3852182 (1974-12-01), Sze et al.
patent: 3852183 (1974-12-01), Snell
patent: 3856675 (1974-12-01), Sze et al.
patent: 4029567 (1977-06-01), Farnand et al.

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