Coal liquefaction process using low grade crude oil

Details Coal liquefaction process using low grade crude oil Coal liquefaction process using low grade crude oil

1984-10-18

1985-09-17

Gantz, D. E.

Mineral oils: processes and products

Phenolic or toxic oils

208107, C10G 100, C10G 4700

Patent

active

045419167

ABSTRACT:
A process for converting coal to liquid hydrocarbonaceous products involving a liquefaction reaction in the presence of a coal derived recycle slurry and a non-coal derived solvent comprising a hydrocarbonaceous oil or distillation bottom residue thereof intrinsically contaminated with greater than 300 ppm total of vanadium and nickel. The liquefaction reaction is performed under hydrogen pressure (approximately 500-4000 psi) and under elevated temperature (approximately 300.degree.-500.degree. C.) using a weight ratio of non-coal derived solvent to coal of about 1/1 or less. The conversion of coal to liquids is greatly enhanced by the use of such a non-coal derived solvent under these conditions.

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