This air flotation device is suitable for treating wastewater with a small amount of water and a high concentration of pollutants. The degreasing effect is generally up to about 80%. The advantage of air flotation is that the equipment is simple and easy to implement. However, its main disadvantage is that the air is not sufficiently pulverized, and the particle size of the formed bubbles is relatively large, generally not less than 0.1mm. In this way, under the condition of a certain amount of air supply, the surface area of the bubbles is small, and due to the large diameter of the bubbles, the fast movement speed, and the short contact time between the bubbles and the pollutants to be removed, these factors make the cloth air flotation unable to achieve efficient removal. Effect.

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