Liquid purification or separation – With means to add treating material – Directly applied to separator
Patent
1979-03-26
1981-03-10
Spitzer, Robert H.
Liquid purification or separation
With means to add treating material
Directly applied to separator
209170, 210703, B03D 102, B03D 124
Patent
active
042552621
ABSTRACT:
Mixing apparatus includes a tank having an upright draft tube extending from above an operating level of liquid contained in the tank to a level near the bottom of the tank, the draft tube being in fluid communication with the tank at a level near the bottom of the tank below the operating level of the liquid. A nozzle is disposed within the draft tube for directing a stream of liquid downwardly against an impingement surface transverse to the draft tube at the level of fluid communication to entrain gas drawn down the draft tube and create a pattern of bubbles flowing radially outwardly from the draft tube. The impingement surface is close to, or is a portion of, the tank bottom so that the radially flowing bubbles sweep across at least a portion of the bottom of the tank.
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Bunker Carroll C.
O'Cheskey Theodore H.
Spitzer Robert H.
U.S. Filter Corporation
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