Coal liquefaction process

Details Coal liquefaction process Coal liquefaction process

C - Chemistry, Metallurgy

10

G

196/5.8

C10G 1/00 (2006.01) C10G 1/08 (2006.01)

Patent

CA 1092044

ABSTRACT OF THE DISCLOSURE A process for liquefying a particulate coal feed to produce useful petroleum-like liquid products by steps which include: (a) admix- ing said coal feed, a solvent, particularly a non-donor solvent, and a quinone compound, preferably an orthoquinone or admixture of quinone compounds, to form a coal liquid slurry, and then (b) contacting said coal liquid slurry with molecular hydrogen in a liquefaction zone at temperature and pressure sufficient to hydroconvert and liquefy the coal. In accordance with a preferred embodiment, the product from the liquefaction zone is separated by distillation into fractions inclusive of fractions boiling within about the 350-850°F. range, and preferably within about the 400-700°F. range, which can be recycled to the coal liquefaction zone for use in slurrying the coal.

278501

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