Aeration method and system

Details Aeration method and system Aeration method and system

1977-12-22

1979-06-05

Spitzer, Robert H.

Liquid purification or separation

With means to add treating material

Directly applied to separator

210242A, 261 76, 261DIG75, B01F 304, C02C 108

Patent

active

041573048

ABSTRACT:
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 operation at higher air flow rates without blowing the bubble forming vortices out of the chamber. Helical vanes are preferably provided in the passages which inject the air into the extending chamber to create better wave generating conditions to extend the range to greater air flow rates.

REFERENCES:
patent: 2447123 (1948-08-01), Jones
patent: 2548725 (1951-04-01), Justis
patent: 3365178 (1968-01-01), Bood
patent: 3430823 (1969-03-01), Hunsaker
patent: 3653641 (1972-04-01), Eron
patent: 3671022 (1972-06-01), Laird et al.
patent: 3761065 (1973-09-01), Rich et al.
patent: 3954921 (1976-05-01), Yoshida et al.
patent: 4044079 (1977-08-01), Tveit
patent: 4112025 (1978-09-01), Wilson et al.

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