C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/19
C02F 3/20 (2006.01)
Patent
CA 1066822
APPARATUS AND METHOD FOR AERATING LIQUIDS Abstract of the Disclosure An aerator for dispersing a gas in a liquid comprises an elongate tube having openings at both ends and having mounted therein one or more turbines which are free to rotate about the longitudinal axis thereof. The tube is vertically submerged in a liquid, for example in a lake or pond of water. Air or another gas is supplied to the lower end of the tube. Gas bubbles rising through the tube cause an upward flow of liquid therethrough. The turbines are rotated solely by this upward flow of gas and liquid. The turbine rotation causes the gas bubbles to be broken up into a vast number of very much smaller gas bubbles which are dispersed throughout the liquid, so that optimum gas absorption may occur. The turbines are preferably so constructed that adjacent turbines (if more than one turbine is used) rotate either at different speeds or in counter directions to thus optimize the breaking up of the gas bubbles. A method for aerating a liquid is thereby provided.
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