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Process for the recovery of hydrocarbons from oil shale

Patent ·
OSTI ID:6243045
; ;
A process for the recovery of hydrocarbonaceous oil from oil shale is disclosed. The process comprises: (a) heating the shale in the presence of a gas comprising hydrogen sulfide at subcritical conditions of said gas including a temperature from about 650/sup 0/ F. to about 825/sup 0/ F. to produce a solvent extractable material and to liberate at least a first portion of the hydrocarbon contained therein; and (b) contacting the resulting solvent extractable material with a normally-liquid solvent at subcritical, reflux conditions of said solvent to liberate at least a second portion of the hydrocarbon contained in the solvent extractable material.
Assignee:
UOP Inc.
Patent Number(s):
US 4449586
OSTI ID:
6243045
Country of Publication:
United States
Language:
English

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Related Subjects

04 OIL SHALES AND TAR SANDS
040402* -- Oil Shales & Tar Sands-- Surface Methods
AROMATICS
BENZENE
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
ENERGY SOURCES
EXTRACTION
FOSSIL FUELS
FUELS
HEATING
HIGH TEMPERATURE
HYDROCARBONS
HYDROCRACKING
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
MATERIALS
OIL SHALES
ORGANIC COMPOUNDS
PYROLYSIS
RETORTING
SEPARATION PROCESSES
SOLVENT EXTRACTION
SULFIDES
SULFUR COMPOUNDS
THERMOCHEMICAL PROCESSES