Device and method for water treatment by foaming

Details Device and method for water treatment by foaming Device and method for water treatment by foaming

2006-04-25

2006-04-25

Lithgow, Thomas M. (Department: 1724)

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

C210S221200, C210S167150, C119S263000, C119S264000

Reexamination Certificate

active

07033506

ABSTRACT:
The invention relates to apparatus for treating water by skimming, the apparatus comprising:a reaction chamber (8);injector means (4) for delivering the water for treatment via an injection orifice into the reaction chamber;means (20) for forming microbubbles of gas in the water to be treated; andcondensation means (10) for collecting the resulting foam,the apparatus being characterized by the fact that the microbubbles are injected into the reaction chamber (8) together with the water for treatment.The invention also provides a method of treating water by skimming, in which:the water for treatment is injected into a reaction chamber (8);microbubbles of gas are formed in the water for treatment; andthe foam that is produced is separated from the water for treatment,the method being characterized by the fact that the microbubbles are injected into the reaction chamber (8) together with the water for treatment.

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