The air flotation method can generate a large number of small bubbles; when using soluble anodes, the air flotation process and the coagulation process are combined; the device structure is simple, and it is a new wastewater purification method.

These are two processes that have only appeared in the field of water treatment in recent years. Because this method has simple equipment, convenient management, easy control of operating conditions, compact equipment, and good results, it has developed rapidly.

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