The air flotation method is mainly used to remove suspended solids, fats and oils with relative density in wastewater. The pollutant particles in the sewage can be stably adsorbed on the air bubbles and float up with the air bubbles. It is a prerequisite for air flotation separation. , the removed contaminant particles should have a hydrophobic surface.

In order to improve the separation effect of the air flotation method, the vertical air flotation machine often takes measures to change the surface characteristics of solid or liquid pollutant particles. It aggregates into suspension for removal.

The advantages of vertical air flotation machine are small footprint, compact structure and good layout. The sewage after the dosing reaction enters the air flotation mixing area, and mixes and contacts with the dissolved air after release, so that the purple condensate adheres to the fine air bubbles, and then enters the air flotation area. "The purple condensate floats under the action of air buoyancy. The scum is formed to the water surface and then enters the air flotation zone.

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