NOVEL FACILITY FOR TREATING WASTE WATER
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United States of America Patent
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Issued Date -
Nov 16, 2017
app pub date -
Dec 16, 2015
filing date -
Dec 19, 2014
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Abstract
Disclosed is a facility for treating waste water of municipal or industrial origin, in particular a facility for primary treatment of the water, including a biological contact tank equipped with biological rotating discs, which is connected upstream of a ballasted-floc physiochemical decanter, the decanter being at least made up of a coagulation zone, a flocculation zone, a lamellar decanting zone and a thickening zone and an external circuit allowing the recirculation of the sludge thickened in the thickening zone to the flocculation zone and the biological contact tank.
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