Decentralized source separation sewage system

Details Decentralized source separation sewage system Decentralized source separation sewage system

C - Chemistry, Metallurgy

02

F

C02F 3/08 (2006.01) B01D 21/02 (2006.01) C02F 1/00 (2006.01) C02F 3/02 (2006.01)

Patent

CA 2720334

An apparatus and method for the decen-tralized treatment of sewage. Sewage enters the apparatus into a receiving compartment and separates solids from liquid. Solids can be extracted from the receiving com-partment by an auger. Liquid sewage is further treated by flowing through a series of compartments each containing rotating biological contactor discs secured to a common rotating shaft. The rotating shaft and auger are powered by a quasi-submerged turbine driven by a flow of air.

L'invention concerne un appareil et un procédé de traitement décentralisé d'eaux d'égouts. Les eaux d'égout entrent dans l'appareil dans un compartiment de réception où les solides sont séparés du liquide. Les solides peuvent être extraits du compartiment de réception par une vis sans fin. Les eaux d'égouts sont ensuite traitées en s'écoulant dans une série de compartiments, chacun contenant des disques contacteurs biologiques rotatifs fixés à un axe rotatif commun. L'axe rotatif et la vis sans fin sont mus par une turbine quasi submergée commandée par un flux d'air.

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