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

Oil-shale retort

Patent ·
OSTI ID:5386788
An apparatus is described for distilling oil shale, comprising a heating furnace, a closed horizontal retort, extending through such furnace and subjected to graduated external heat. Means are provided for admitting shale into the cooler end of the retort. A reciprocator is provided for stirring the shale when it moves in one direction and to move the shale along the bottom of the retort in the other direction. Means are provided for drawing off distilled products progressively along the retort along with means to inject low pressure steam through the agitator along the bottom of the retort while the shale is in process of distillation. The spent shale is discharged at the hottest end of the retort.
Assignee:
TIC; EDB-78-030013
Patent Number(s):
US 1451575
OSTI ID:
5386788
Country of Publication:
United States
Language:
English