04689120 is referenced by 3 patents and cites 23 patents.

An apparatus for the recovery of oil from shale is disclosed in which the shale travels through processing zones on a moving grate. Among the processing zones are a destructive distillation zone and a carbon combustion zone. A conduit is provided for recirculating gases to the carbon combustion zone.

Title
Apparatus for the recovery of oil from shale
Application Number
6/744836
Publication Number
4689120
Application Date
June 14, 1985
Publication Date
August 25, 1987
Inventor
Charles J Rosvold
Tulsa
OK, US
Risdon W Hankinson
Bartlesville
OK, US
Joseph Kuchinski
Bartlesville
OK, US
Agent
John R Casperson
Assignee
Phillips Petroleum Company
OK, US
IPC
C10B 7/06
C10B 1/10
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