Flotation device is the most advanced and complete one of the sewage treatment facilities. The equipment is mainly used to remove industrial and urban waste water in the oil, colloidal material and suspended solids. The system automatically separated from the wastewater in these substances, the chemical flocculant can greatly help reduce industrial discharges of BOD and COD content, The treated effluent discharge standards, To solve the problem of pollution and reduce waste water discharge fees.Another important aspect is the byproduct of wastewater treatment often can be recovered and reused. Its main feature is no air compressor, solution circulating pump cylinders and other equipment, Small footprint, investment cost of provinces, save power, low cost, efficient, easy to operate. Is the first choice treatment.