Two-stage coprocessing of bitumen/coal slurries

Details Two-stage coprocessing of bitumen/coal slurries Two-stage coprocessing of bitumen/coal slurries

C - Chemistry, Metallurgy

10

G

196/5.2

C10G 1/06 (2006.01)

Patent

CA 1279027

Abstract A process is described for two-stage coprocessing of coal and a heavy hydrocarbon, such as bitumen from tar sands. A slurry of the bitumen and coal is passed upwardly through a coal dissolving and hydrogenation zone and the top discharge from the coal dissolving zone, containing partially solubilized coal and ash, is passed through a confined hydrocracking zone. The effluent emerging from the hydrocracking zone is sepa- rated into a gaseous stream containing a wide boiling range of material and a liquid stream containing heavy hydrocarbons. This process permits maximum yields from both coal and bitumen, while suppressing coke formation during hydrocracking.

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