C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/62
C02F 1/00 (2006.01)
Patent
CA 1093229
WASTEWATER FLOTATION UTILIZING STREAMING POTENTIAL ADJUSTMENT Abstract of the Disclosure: 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.
293520
Dravo Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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