Apparatus for pyrolysis of hydrocarbon bearing materials
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United States of America Patent
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-
Feb 22, 1983
Issued Date -
N/A
app pub date -
Nov 4, 1980
filing date -
Aug 24, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process and apparatus for the pyrolysis of coal or other hydrocarbon bearing materials in which the material is fed into the upper end of a rotating cylinder and is heated in a plurality of stages, the heated material passing from the cylinder into a char pit, and treating the resulting materials to separate them into fuels having different characteristics. One feature of the invention is the addition of CaO or NaHCO.sub.3 to the charged materials and addition of H.sub.2 O in the char pit to facilitate removal of sulfur. Another feature is the scraping and brushing of the inside surfaces of the rotary cylinder to clean the interior of the cylinder during the conduct of the process.
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