Process and apparatus for extracting hydrocarbons from oil...

Details Process and apparatus for extracting hydrocarbons from oil... Process and apparatus for extracting hydrocarbons from oil...

C - Chemistry, Metallurgy

10

G

196/30

C10G 1/06 (2006.01)

Patent

CA 1213549

Abstract of the Disclosure: A process for extracting hydrocarbons from oil shale comprising the steps of subjecting oil shale under superatmospheric pressure in the presence of hydrogen and steam, to low tempera- ture hydrogenating distillation; separating the resulting fluid distillation mixture into liquid and gaseous products; and returning water and hydrogen separated from the fluid distillation mixture to the low temperature distillation; in which: Heat is drawn-off from the hot oil shale, after treatment in a low temperature hydrogenating distillation reactor, by the shale being sprayed with water whereby saturated steam is produced in decreasing pressure stages; The saturated steam of the pressure stages and water extracted during product separation are fed into the individual stages of a multi-stage compressor driven by a gas turbine, and are then delivered via a steam supply line to the reactor; The gas turbine is fuelled by supplying separated-off gaseous distillation products thereto; and The exhaust gases of the gas turbine are fed to a heat exchanger arranged in the steam supply line.

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