Air flotation is actually a treatment method, such a treatment method will form tiny air bubbles in the water, such air bubbles can be well adhered to the wastewater, and will directly form a mixed system of particles, air and water. After the bubbles, flocs with a density lower than water will be formed on the surface and then float to the water surface, and finally a scum layer will be formed and scraped off.

Air flotation will produce relatively large fine air bubbles in the air-holding system, so that the air bubbles will be attached to suspended particles. The density of these particles is lower than that of water. This is why we can use the principle of buoyancy to make them adhere to the water surface. In this way, the water treatment equipment with solid-liquid separation can be directly formed.

Air flotation can also be directly divided into vortex concave type, advection type and super-efficient shallow type. Now the sewage and industrial wastewater treatment in the city will be applied to such equipment. The main advantage of the equipment is that it occupies a small area and The investment cost is relatively low, and the automation degree of the whole equipment is relatively good, which is convenient for operation management.

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