Patent ID: 6264176
Filing Date: 2001-07-24
Classification: B01F,C02F,Y02W

Abstract:
An improved diffuser for the oxygenation of aqueous media, and for the inversion mixing of the same, which employs a pressurized oxygen-containing gas and a pump for pressurizing said gas, said diffuser consisting of a self-supporting flexible microporous tubular membrane and a manifold connecting said pump to said membrane, said membranea.) having throughout its entire extent, uniformly fine pores, ranging in size from about 50 to 500 microns;b.) having a balanced gas flow, whereby said gas is emitted uniformly from its entire circumference in the form of fine bubbles; andc.) being mounted on said manifold in a manner which provides proximate elements of said membrane, said proximate elements having openings therebetween, said openings being at least equal to the outer diameter of said membrane.