CQF type high efficiency air flotation device (sewage treatment) High efficient, saving energy, small volume, ... from the raw water, and equip with special release device.High degree of automation, easy management, reliable operation.Large ... 5Dosing Pump Power(kw)0.18-2.2Water Surface Loading(mm3/m2.h)6-10Main Moter Power(kw)1 ... sludge. CQF type high efficiency air flotation device (sewage treatment)