Oil recovery

Details Oil recovery Oil recovery

1984-06-07

1985-06-04

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

208 8LE, 208143, 208144, C10G 104

Patent

active

045212937

ABSTRACT:
A process for upgrading carbonaceous materials having low carbon content comprising preheating the carbonaceous material to a temperature above about 200.degree. C. in the absence of a solvent, extracting the heated carbonaceous material under moderate temperature and pressure conditions, and hydrotreating the extract under supercritical solvent conditions.

REFERENCES:
patent: 4197183 (1980-04-01), Audeh
patent: 4390411 (1983-06-01), Scinta et al.
patent: 4397736 (1983-08-01), Low
patent: 4438816 (1984-03-01), Urban et al.
patent: 4449586 (1984-05-01), Urban et al.
patent: 4461696 (1984-07-01), Bock et al.

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