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U.S. Department of Energy
Office of Scientific and Technical Information

Process of treating shale

Patent ·
OSTI ID:5324004
A process of producing combustible gas from oil-bearing shale is described, consisting in agitating ground shale in the presence of dry heated gaseous products of combustion at temperatures in excess of 600/sup 0/ F and passing the heated shale and gases to a secondary zone of treatment and there continuously agitating the shale and subjecting it to increased temperatures and adding sufficient quantities of superheated steam to the secondary stage of treatment to increase to a predetermined amount the hydrogen content of the evolved gases. The gas and shale residue are withdrawn from the secondary stage of treatment.
Assignee:
TIC; EDB-78-030012
Patent Number(s):
US 1451367
OSTI ID:
5324004
Country of Publication:
United States
Language:
English