Patent ID: 7572368
Filing Date: 2009-08-11
Classification: B01F,B09C,C02F,Y10S

Abstract:
1. A water treatment apparatus comprising: a container divided into at least two chambers by a wall that partially separates the two chambers; wherein the container includes an inlet for receiving water into the container and an outlet for outputting water from the container; a first microporous diffuser disposed in a first one of the chambers of the container and arranged to receive a gas; a second microporous diffuser disposed in a second one of the chambers and arranged to receive the gas; and wherein the microporous diffusers comprise: a first hollow member having a sidewall comprising a plurality of microscopic openings; a second hollow member having a sidewall comprising a plurality of microscopic openings, wherein the second hollow member is disposed through the first member; the members comprising an end cap to seal ends of the members; and an inlet cap disposed to provide inlets to interior portions formed by sidewalls of the members.