Cavitation air flotation is one high efficiency kind of wastewater pretreatment equipment to remove suspended solids(TSS), especially suits for oil refinery for oil removing. Anti-explosion treatment is optional for operation security, level DIIBT4.

High Adaptability: Suit for wastewater from different industries, high adaptability to big changes on water quality and water quantity; Low Operating Costs: Low power consumption, only two moving parts --- CAF Aerator + CAF Skimmer; Save Investment: Do not need air compressor, air dissolving pump and air dissolving tank, greatly reducing equipment investment.

High Efficiency: CAF machine is compact in structure, with small land occupation, but with >90% TSS removal rate; Easy to Operate and Maintain: Only two moving parts, easy to maintain. After commissioning, CAF machine will runs smoothly, with low failure rate, easy to operate; Low Scum Moisture: The floated scum will be removed automatically and continuously by CAF skimmer. Low scum moisture, which reduces scum volume and the subsequent scum disposal costs.

CAF cavitation air flotation machine is greatly different from DAF dissolved air flotation machine in its air dissolving method:
One or several sets of CAF aerator(micro nano bubble generator) is installed in the aeration chamber of CAF machine. With the high speed rotation of impeller of CAF aerator under water, a vacuum zone is formed there and absorb the air above water surface into water and generate millions of tiny bubbles.

These bubbles attach to, and form with, the solids or chemical flocculants entering the vessel, causing them to float to water surface where they are retained and forms scum layer, which is then subsequently removed by CAF skimmer automatically. The purified water then flows to clean water chamber by overflowing.