Method of Regulating Aeration in a basin for bilogical treatment of wastewater
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United States of America Patent
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Apr 29, 1997
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N/A
app pub date -
Sep 13, 1995
filing date -
Sep 20, 1994
priority date (Note) -
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Abstract
A method of regulating aeration in biological treatment of wastewater by implementing a step of eliminating carbon in aerobiosis, a step of nitrification in aerobiosis, and a step of denitrification in an anoxia, in which method the oxidation-reduction potential is continuously measured in a treatment system, a curve is established of variation in oxidation-reduction potential as a function of time, and the derivative thereof is calculated, wherein, when the derivative tends towards zero, the derivative and the value of the oxidation-reduction potential are correlated to determine whether aeration should be started, continued, or stopped.
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