Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1978-08-24
1979-07-31
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 74, 2101951, 210221P, 209170, 261 30, 261 36R, 261124, 261DIG75, 426489, 127 12, 127 57, B03D 124, B01F 304
Patent
active
041629728
ABSTRACT:
A process for clarifying by flocculation a turbid liquid which forms a foam with injected gas and which contains material that, with gas, will form a floatable floc. A gas compatible with the liquid is injected into the liquid in order to form foam atop the body of liquid, and components of a floc within the body of liquid. The liquid after said treatment with gas is permitted to reside quietly so that the floc components form a floatable floc and rise to the surface of the body of liquid. Clarified liquid collects below the floc. Gas for injection into the body of liquid can be withdrawn from a region containing the foam, whereby to recover liquid from the foam, thereby substantially eliminating loss of liquid as foam.
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"Wemco Hydrocleaner Flotation Machine", Enirotech, 1976.
Hart Charles N.
Mon Donald D.
Therkorn Ernest G.
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