Hydrogen-donor coal liquefaction process

Details Hydrogen-donor coal liquefaction process Hydrogen-donor coal liquefaction process

1978-10-12

1980-07-01

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

C10G 106

Patent

active

042105188

ABSTRACT:
Improved liquid yields are obtained during the hydrogen-donor solvent liquefaction of coal and similar carbonaceous solids by maintaining a higher concentration of material having hydrogenation catalytic activity in the downstream section of the liquefaction reactor system than in the upstream section of the system.

REFERENCES:
patent: 3645885 (1972-02-01), Harris et al.
patent: 3671418 (1972-06-01), Gatsis
patent: 3679573 (1972-07-01), Johnson
patent: 3840456 (1974-10-01), Yavorsky et al.
patent: 3884794 (1975-05-01), Bull et al.
patent: 3884796 (1975-05-01), Hinderliter et al.
patent: 3923634 (1975-12-01), Silvestri et al.
patent: 4018663 (1977-04-01), Karr, Jr.

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