C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/9
C02F 1/74 (2006.01) B01D 21/00 (2006.01) B01D 21/24 (2006.01) C02F 1/00 (2006.01) C02F 3/12 (2006.01) C02F 3/30 (2006.01)
Patent
CA 1327412
ABSTRACT OF THE DISCLOSURE: Disclosed is a waste water and sewage treatment system for use in an aeration-sedimentation basin or lagoon. The system comprises a summerged water pump mounted in a well in water communication with the basin. This pump supplies water under pressure to a water header on which a plurality of water jets are mounted in such a manner as to create the forced water circulation inside the basin. Each water jet incorporates an air-sucking venturi to oxygenate the waste water or sewage. Valves are provided in the well for disconnecting the water pump from the water header and then connecting it to a sludge collecting duct extending from the well over a given distance into the basin in such a manner as to drain off the accumulated sludge at the bottom of the basin through the sludge collecting duct and drain- out through a sludge disposal pipe. The system is particularly interesting in that it makes use of the same pump to aerate the waste water or sewage and drain-off the accumulated sludge.
561448
Desjardins Gaetan
Robic
LandOfFree
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