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

Apparatus for the manufacture of Portland cement

Patent ·
OSTI ID:7204490
An apparatus is described for use in the manufacture of Portland cement comprising a kiln, a retort for the distillation of oil shale, means to supply heat from the waste gases of the kiln to the exterior of the retort, means to deliver the residue or shale ash from the retort to the feed end of the kiln, and means to conduct combustible gas produced in distillation from the retort to the kiln for use as fuel.
Assignee:
TIC; EDB-78-077810
Patent Number(s):
US 1323293
OSTI ID:
7204490
Country of Publication:
United States
Language:
English