C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/5.8
C10G 1/06 (2006.01) C10G 1/00 (2006.01)
Patent
CA 1227151
ABSTRACT OF DISCLOSURE Thermal hydrogenation of solids-containing carbonaceous feed materials to produce hydrocarbon gaseous and liquid products is performed in a thermal reaction zone, in which the feed material flows generally downwardly countercurrent to upflowing hydrogen and recycled hydrocarbon liquid. The recycled hydrocarbon liquid is at a rate sufficient to control the settling of solids-containing feed through the reactor, and is obtained from the reaction zone upper end by phase separation from gaseous effluent at reaction con- ditions. The gaseous effluent material is removed from the thermal reaction zone upper end, and heavy liquid material containing less than about 40 W % solids is withdrawn from the reaction zone bottom end, with both stream, being passed to further phase separation and distillation steps for reco- very of the hydrocarbon gas and liquid products. The process is useful for hydroconversion of solids-containing tar sand bitumen, shale oil and particularly for coal, with the coal being fed into the thermal reaction zone as a coal-oil slurry. If desired, the heavy liquid bottoms stream withdrawn from the lower end of the thermal reaction zone containing unconverted coal and ash solids can be advan- tageously passed to a second reaction zone containing an ebullated catalyst bed for further hydrogenation reaction to increase the conversion and yield of low-boiling hydrocarbon liquid products.
467204
Johanson Edwin S.
Schuler Paul D.
Gowling Lafleur Henderson Llp
Hri Inc.
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