WelCome to Wuxi Gongyuan Environmental Technology Co., Ltd.




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  In the water treatment process, solid-liquid separation and its equipment are one of the key projects. Dissolved air flotation is one of the most effective methods whose specific gravity near than that of water.

  CAF is a good new sewage separating and purifying equipment especially for separating grease,jelly,and suspended solid in the in the industrial and city water by way of proportionately transforming the micro-bubbles into the water directly through specially-designed bulk gas impeller instead of adopting complex air-dissolved technology with features of no obstruction, economic and convenient operation. 

二、 Type and Its indication

GWAF   —— Treatmentcapacity(m3/h)

——Cavitationair flotation



※No circulating pump, air compressor, pressure vessel

※save operating cost, floor space and investment cost

※simple, compact and maintenance-free

※particularly suitable for oily wastewater treatment 



CAF is suitable for:

Disposal of oily waste water treatment in petrochemical industry

Oily waste water treatment and reinjection water in oil exploitation industry

Disposal of slaughter waste water in meatpacking industry

Grease and effluent treatment in dairy industry

The treatment of effluents generated by the pulp and paper industries

Oily waste water treatment in machinery processing industry

五、Working principle

  CAF (cavitation air flotation) is composed of aerator, flotation tank, skimmer and electric cabinet. The aerator will generate air bubbles through its highly speed rotating motor by way of absorbing air and then this micro bubbles will be distributed in the sludge water tank via stainless steel bulk air impeller.

  Utilizing the centrifugal force caused by high speed rotating driven impeller, aerator produces negative pressure and suck other gas into aeration port. Then the air is released again by submerged aeration port. When the bores on the perforated impeller produce bubbles, high speed rotating impeller will cut bubbles into 30-100um tiny bubbles. Finally, flocculating sewage mixes up with these micro-bubble after entering into the flotation tank. Then these micro-bubbles attach to the suspended solids and float them to the surface. These suspended solids reply on the micro-bubbles to sustain the water surface, forming a floating layer on the surface of the unit. The floating layer is removed into scum tank by means of a skimming device.

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Email:[email protected]

Add:NO.55 West Xigang Road,Xishan District,Wuxi,Jiangsu,China

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