Method and system for aeration of waste liquids

Details Method and system for aeration of waste liquids Method and system for aeration of waste liquids

C - Chemistry, Metallurgy

02

F

362/9

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

Patent

CA 1082375

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 surface 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.

292705

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