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Dissolved Air Flotation is a solid/liquid or liquid/liquid separation process to remove tiny suspended solids that density close to water,colloid,oil and grease etc.

Air was dissolved into water, the air -saturated water generated from dissolved air micro bubbles attach to the surface of solids,The light of solids(less dense than water)lifting them to the surface.distributed over the whole tank width,make suer optimum phase separation. Mechanical skimmer remove the floating sludge layer and thepurified wastewater discharges to sewer.

CAF (cavitation air floatation) system is the world's original patented water treatment equipment, and is also the export recommended technology of the U.S. Department of Commerce and environmental protection agency. Caf is a system specially designed to remove grease, colloid and suspended solids (SS) from industrial and municipal wastewater.

The new dissolved air floatation sedimentation solid-liquid separation process is designed according to the principle that air floatation is the main process, and air floatation and lateral flow inclined plate sedimentation form independent water distribution and collection system respectively.