Patent ID: 6032931
Filing Date: 2000-03-07
Classification: B01F,C02F,Y02W

Abstract:
An apparatus for aerating a fluid comprising:first conduit means for conducting said fluid downward, said first conduit means having a first conduit opening for receiving said fluid into said first conduit means;second conduit means, at least partially positioned within said first conduit means, for conducting said fluid upward, said second conduit means having an inlet opening for receiving said fluid from said first conduit means and said second conduit means having a discharge opening for discharging said fluid from said apparatus;said inlet opening being positioned below said first conduit opening;said discharge opening being positioned above said first conduit opening;gas delivery means for delivering a gas into said apparatus; andcontract promoting means, positioned in said second conduit means, for promoting contact between said gas and said fluid, said contact promoting means including a housing positioned in said second conduit, said housing having a top opening positioned below said discharge opening.