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

Distillation of solid carbonaceous material

Patent ·
OSTI ID:7296745
A process of distilling solid carbonaceous material is described which consists in feeding carbonaceous material simultaneously through a plurality of parallel retorts at different pressures, heating a first retort by superheated steam, passing the resulting vapors through a heat-exchange device that is provided with a supply of water thereby generating another supply of steam at lower pressure, and heating a second retort from the other supply.
Assignee:
TIC; EDB-78-000988
Patent Number(s):
US 1901169
OSTI ID:
7296745
Country of Publication:
United States
Language:
English