Gas and liquid contact apparatus – Contact devices – Injector type
Patent
1987-06-15
1988-12-06
Miles, Tim
Gas and liquid contact apparatus
Contact devices
Injector type
55256, 55461, 552575, 552571, B01F 304
Patent
active
047895039
ABSTRACT:
This invention provides apparatus for creating circulation of liquid in a vertical direction within a standing body of such liquid, using a gas bubble generator, without creating excessive turbulence at the surface of the liquid, thus avoiding the formation of foam. A preferred embodiment of this apparatus provides for a vertically extending stackpipe, a gas bubble generator at a lower portion of the stackpipe and means for delivering gas bubbles under pressure to the stackpipe, and, at the upper portion of the stackpipe adjacent the upper discharge opening, means designed to laterally divert a flow of liquid and entrained gas bubbles into a substantially horizontal direction, to cause separation of the gas and liquid and to discharge the gas to a location above the level of the surface of the body of liquid.
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Pierce, Floating Draft Tube Aerator, Water Pollution Control Federation Highlights, 2-76, vol. 13, No. 2, p. 7.
Atara Corporation
Miles Tim
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