Aeration method and system

Details Aeration method and system Aeration method and system

C - Chemistry, Metallurgy

02

F

362/9

C02F 1/72 (2006.01) C02F 3/02 (2006.01)

Patent

CA 1088228

ABSTRACT OF THE DISCLOSURE An improved method and system for mixing gas with waste water in which the water is pumped through a plurality of mixing chambers into which the gas is injected at a step region to form parallel streams of gas and water. An extending chamber contains the parallel streams as the interface between them becomes unstable, breaks down creating vortices and produces tiny bubbles which mix with the water. The extending chamber is tapered inwardly to permit opera- tion at higher air flow rates without blowing the bubble forming vortices out of the chamber. Helical vanes are preferably provided in the bores which inject the air into the extending chamber to create better wave generating conditions to extend the range to greater air flow rates. - 2 -

292651

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