Coal slurry and deoxygenating process for coal liquefaction

Details Coal slurry and deoxygenating process for coal liquefaction Coal slurry and deoxygenating process for coal liquefaction

C - Chemistry, Metallurgy

10

L

196/4

C10L 9/08 (2006.01) C10G 1/00 (2006.01)

Patent

CA 1214419

ABSTRACT A process for drying and deoxygenating coal-oil slurry prior to liquefaction of the coal. In the process, the coal having particle size of 30-375 mesh (U. S. Sieve Series) is mixed with a slurrying oil derived from a coal liquefaction process at 250-650°F mixing temperature and 0-150 psig pressure. During the mixing step, moisture in the coal is evolved to less than about 3.0 W % moisture remaining, along with substantial removal of the oxygen contained in the coal. The process produces a dried more reactive coal slurry for feed to a coal liquefaction process for achieving increased conversion of the coal and producing more desirable low boiling hydrocarbon liquid products.

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