Patent ID: 6322055
Filing Date: 2001-11-27
Classification: B01D,B01F,C02F,Y02W

Abstract:
An apparatus for dissolving a gas into a fluid, the apparatus comprising:a first substantially vertical cylindrical tube member defining a first inner space therein, the first tube member having an open upper end and an open bottom end;a second substantially vertical cylindrical tube member of a diameter larger than the first tube member and positioned about the first tube member in a substantially concentric orientation, the second tube member having an open upper end and a closed bottom end, the second tube member and the first tube member defining a second inner space outside the first tube member and inside the second tube member;an inlet means connected to a supply of the gas, the inlet means positioned above the bottom end of the second tube member for introduction of the gas into the second inner space;a first accelerator means for acceleration of fluid therethrough, the first acceleration means positioned above the inlet means in a substantially horizontal orientation and extending through the second inner space; anda first helix-shaped bubble harvester positioned within the second inner space, the first harvester having upper and bottom ends, the bottom end of the harvester positioned above the bottom end of the second tube member and below the bottom end of the first tube member, the upper end of the first harvester positioned below the first acceleration means.