Gas and liquid contact apparatus – Contact devices – Rotating
Patent
1974-06-03
1976-07-13
Miles, Tim R.
Gas and liquid contact apparatus
Contact devices
Rotating
261 93, C02C 110, C02C 112, C02C 126, C02C 504
Patent
active
039694461
ABSTRACT:
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.
REFERENCES:
patent: 1148508 (1915-08-01), Gagnon
patent: 2244902 (1941-06-01), Stich
patent: 2324018 (1943-07-01), Petersen
patent: 2639129 (1953-05-01), De Rosset
patent: 3092678 (1963-06-01), Braun
patent: 3210053 (1965-10-01), Boester
patent: 3421745 (1969-01-01), Prupis
patent: 3452966 (1969-07-01), Smolski
patent: 3482520 (1969-12-01), Larsen
patent: 3630498 (1971-12-01), Bielinski
patent: 3852384 (1974-12-01), Bearden
Clements Gregory N.
Miles Tim R.
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