After the wastewater stream passes by means of rough filtration, pH control along with the DAF, the sludge generated in the DAF is skimmed off and moved to sludge dewatering. A filter push or screw push can dewater the liquid waste residue for final disposal in the dry strong waste. https://airflotationdevice68024.mybjjblog.com/air-flotation-device-no-further-a-mystery-48790789