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DAF systems are designed to remove total suspended solids (TSS), biochemical oxygen demand (BOD), and oils and greases (O&G) from a wastewater stream. Contaminants are removed using 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 the 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.
In addition to capital sales our DAF systems are available as a rental service.
From food processing wastewater to municipal phosphorous & algae removal, metal plating, industrial laundry, oil & gas, pharmaceutical & more
Advantages over traditional clarification include higher sludge solids, smaller footprint & more reliable effluent quality
RT Series Packaged Dissolved Air Flotation Systems
An industry-leading HELLBENDER® pump provides a superior whitewater system to enhance Dissolved Air Flotation (DAF) System performance
Hellbender Process Mixers for pretreatment to Dissolved Air Flotation Systems
Integrated Aerobic Pretreatment (IPAC)
Hellbender® Whitewater Systems enhance the performance of Dissolved Air Flotation Systems
FT Series Standard Flocculation Tube Systems
Ancillaries for Dissolved Air Flotation Systems
Flocculation Tank Systems for Dissolved Air Flotation Systems
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
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