Hydroliquefaction of coal

Details Hydroliquefaction of coal Hydroliquefaction of coal

C - Chemistry, Metallurgy

10

G

196/5.6

C10G 1/04 (2006.01) C10G 1/08 (2006.01)

Patent

CA 1144495

3924 HYDROLIQUEFACTION OF COAL Abstract of the Disclosure Coal is catalytically hydroliquefied by passing coal dispersed in a liquefaction solvent and hydrogen upwardly through a plurality of parallel expanded catalyst beds, in a single reactor, in separate streams, each having a cross-sectional flow area of no greater than 255 inches square, each of the streams through each of the cata- lyst beds having a length and a liquid and gas superficial velocity to maintain an expanded catalyst bed and provide a Peclet Number of at least 3. If recycle is employed, the ratio of recycle to total feed (coal and liquefaction solvent) is no higher than 2: 1, based on volume. Such conditions provide for improved selectivity to liquid product to thereby reduce hydrogen consumption. The plurality of beds are formed by partitions in the reactor.

365096

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