Method of reprocessing sewage sludge
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United States of America Patent
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Mar 9, 1993
Grant Date -
N/A
app pub date -
Aug 22, 1991
filing date -
Mar 30, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method of reprocessing sewage sludge in which the sludge is dried before it is burnt, it is proposed to use steam from the water-steam circuit of a fossil-fueled power station process as the heating medium for drying and to take the vapors arising during drying into a fire chamber downstream of the power station furnace to reduce nitrogen oxides. The dried sewage sludge is preferably burnt together with coal in the power station furnace.
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