Dissolved Air Flotation (DAF) is the process of removing
suspended solids, oils and other contaminants via the use
of air bubble flotation. Air is dissolved into water, mixed with
the wastestream and released from solution while in intimate
contact with the contaminants. Air bubbles form, attach to the
solids, increase their buoyancy and float the solids to the water’s surface. A percentage of the clean effluent is recycled
and super-saturated with air, mixed with the wastewater
influent and injected into the DAF separation chamber.
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