CQF type high efficiency air flotation device (sewage treatment) High efficient, saving energy, ... the raw water, and equip with special release device.High degree of automation, easy management, reliable ... Outlet Pipe(DN)80125150200250300350400500Widely used for the coagulation air flotation of raw water in waterworks, the ... sludge. CQF type high efficiency air flotation device (sewage treatment)