Subsurface aerator and mixer

Details Subsurface aerator and mixer Subsurface aerator and mixer

C - Chemistry, Metallurgy

02

F

362/25

C02F 3/20 (2006.01)

Patent

CA 1046664

ABSTRACT A subsurface aerator and pump for waste water treatment comprises a plurality of vertical helical tubes into the lower end of each of which a jet of air is in- jected. The tubes are provided in their interior surfaces with closely spaced transverse ridges which break up the air stream into small bubbles, thereby not only improving the rate of transfer of oxygen from the air to the water but also reducing or eliminating cavitation or slugging, and thus increasing the pumping effect of the aerator.

217960

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