C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
259/43.7
C02F 1/54 (2006.01) B01F 5/10 (2006.01)
Patent
CA 1199630
ABSTRACT The invention is concerned with a bubble generator for producing a mixture of surfactant-stabilized spherical bubbles of gas having a narrowly distributed size and dispersed in a hydrogen-bonded liquid. The bubble generator of the invention comprises a feeder for providing a flowing stream comprising a two phase mixture of the gas and a solution containing a stabilizing amount of the surfactant in the hydrogen-bonded liquid, and a micro-vortex forming and shedding device comprising a plurality of rods arranged in the flow path of the stream and disposed transversely to the direction of flow for imparting to the stream a rotating laminar flow so as to form in the hydrogen-bonded liquid a plurality of micro-vortices which centrifugally entrap the gas therein and break into surfactant-stabilized spherical bubbles of a narrowly distributed size, the rods being adapted to provide a Reynolds number in the range of from about 500 to about 5,000. This bubble generator is useful in the production of a composition for the direct nucleation of contaminants contained in a hydrogen-bonded liquid.
451082
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