Method for the disposal of excess sludge
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United States of America Patent
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Jan 6, 1998
Grant Date -
N/A
app pub date -
Aug 9, 1995
filing date -
Dec 24, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for incinerating excess sludge from biological waste water treatment plants, in particular sludges arising from the manufacture of paper or paper pulp, preferably using the magnesium fusion process. Before incineration, the excess sludge is neutralized with the same base as used in the paper pulp process and the dust entrained by the combustion gas is precipitated to recover the base.
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