Method for calcining carbonaceous materials
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United States of America Patent
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May 3, 1988
Issued Date -
N/A
app pub date -
Mar 29, 1985
filing date -
Feb 17, 1984
priority date (Note) -
Expired
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Abstract
A method for calcining carbonaceous materials in a rotary kiln is disclosed. An oxygen injection lance provides oxygen through the wall of a firing hood and into the carbonaceous bed, which is at an elevated temperature. The oxygen burns a portion of the carbonaceous material, providing the necessary heat for calcining the remainder of the carbonaceous materials in the kiln.
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