Two-stage coal liquefaction process with process-derived...

Details Two-stage coal liquefaction process with process-derived... Two-stage coal liquefaction process with process-derived...

C - Chemistry, Metallurgy

10

G

196/5.2

C10G 1/04 (2006.01) C10G 1/00 (2006.01)

Patent

CA 1147682

ABSTRACT OF THE DISCLOSURE Disclosed is a two-stage process for the production of clean liquid hydrocarbons from coal. In the process sub- divided coal is dissolved in a process derived solvent at a temperature in the range 425°C-480°C, The dissolver effluent is passed through a catalytic reactor operating under hydrocracking conditions, including a temperature in the range 340°C-400°C to produce normally liquid products and recycle solvent. The solvent is further cooled to precipitate uncon- verted heptane insolubles prior to recycle to the dissolution stage,

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