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U.S. Department of Energy
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Process and apparatus for oil shale retorting

Patent ·
OSTI ID:4351682
A process and apparatus are disclosed for the continuoua steady state retorting of ground oil shale in the absence of air. Retorting is accomplished by countercurrently contacting heated spent oil shale with fresh ground oil shale in a vessel from which air is excluded. The spent oil shale is heated by combustion of its carbonaceous residue to form a hot heat transfer medium which, when contacted with fresh oil shale in the retorting process, provides the energy for the recovery of hydrocarbons. (auth)
Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-29-017933
Assignee:
to Cities Service Research nd Development Co.
Patent Number(s):
US 3784462
OSTI ID:
4351682
Country of Publication:
United States
Language:
English

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