Method for incinerating sewage sludge
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United States of America Patent
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Aug 16, 1983
Grant Date -
N/A
app pub date -
Sep 21, 1981
filing date -
Sep 19, 1980
priority date (Note) -
Expired
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Abstract
A method and an apparatus of incinerating dewatered sludge without using an auxiliary fuel comprising pelletizing the partially dewatered sludge having a water content of 70 to 75%, drying the pellets with a heat source obtained by burning gases formed by dry-distillation and gasification, using part of the resulting dry-distilled gas in said drying step, dry-distilling the pellets by the sensible heat of a gas formed by gasification, gasifying the dry-distillation residues with air, water vapor and the remainder of said dry-distilled gas.
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