Evoqua has three DAF rental units each of a different size, designed to remove total suspended solids, biochemical oxygen demand, and fats, oils and greases from a wastewater stream
Evoqua has three DAF rental units each of a different size, designed to remove total suspended solids, biochemical oxygen demand, and fats, oils and greases from a wastewater stream
Dissolved Air Flotation (DAF) is a proven and effective physical/chemical technology for treating a variety of industrial and municipal process and wastewater streams. DAF systems are commonly used to meet a variety of treatment goals including:
Evoqua’s RT Rental DAF systems are designed to remove total suspended solids (TSS), biochemical oxygen demand (BOD), and fats, oils and greases (FOG) from a wastewater stream. Contaminants are removed through the use of a dissolved air-in-water solution produced by injecting air under pressure into a recycle stream of clarified DAF effluent.
This recycle stream is then combined and mixed with incoming wastewater in an internal contact chamber where the dissolved air comes out of solution in the form of micron sized bubbles that attach to the contaminants. The bubbles and contaminants rise to the surface and form a floating bed of material that is removed by a surface skimmer into an internal hopper for further handling, while heavier solids sink and are removed by the bottom auger.
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