Wastewater flotation utilizing streaming potential adjustment

Details Wastewater flotation utilizing streaming potential adjustment Wastewater flotation utilizing streaming potential adjustment

1978-10-25

1980-08-26

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 51, B03D 100, C02C 502

Patent

active

042194172

ABSTRACT:
A flow of wastewater is adjusted to near zero streaming potential by injecting a non-coagulant mineral acid or base into the wastewater. The potential is measured in streaming detector units. The thus adjusted flow enters a basin where it is subjected to a decreasing gradient of small bubbles to form and separate off a buoyant floc from which valuable materials are more readily recoverable, a floc of higher solids content, and a floc of lesser relative volume than other systems employing similar manipulative steps.

REFERENCES:
patent: 3479281 (1969-11-01), Kikindai et al.
patent: 3723712 (1973-03-01), Komline et al.
patent: 3783114 (1974-01-01), Ishii et al.
patent: 3822204 (1974-07-01), Sako et al.
patent: 3959131 (1976-05-01), Ramirez et al.
patent: 4108768 (1978-08-01), Sebelik et al.

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