https://patents.google.com/patent/KR101336169B1/en
KR101336169B1 - Water purifying apparatus using sedimentation and dissolved air flotation - Google...
The present invention, a mixed flocculation unit for mixing the raw water and flocculant to form a floc; The floc formed raw water flows from the flocculation...
dissolved air flotationwaterpurifyingapparatususing