Two-stage coal liquefaction

Details Two-stage coal liquefaction Two-stage coal liquefaction

1978-05-08

1982-08-31

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

C10G 100

Patent

active

043471161

ABSTRACT:
Two-stage coal liquefaction is improved by separating a light fraction from the first (dissolving) stage effluent, hydrogenating that fraction and reblending the hydrogenated light fraction with the material passed from the first stage to the second stage reactor operating at higher temperature than the first stage.

REFERENCES:
patent: 3663420 (1972-05-01), Jacobs et al.
patent: 3841991 (1974-10-01), Cohen et al.
patent: 3852182 (1974-12-01), Sze
patent: 3997425 (1976-12-01), Gotsis et al.

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