Motsoako oa liphaephe o hlahisoang ke k'hamphani ea rona ke sesebelisoa se loketseng bakeng sa ho kopanya hang-hang metsi a hloekisitsoeng ka coagulant, coagulant aid le disinfectant: e na le litšobotsi tsa ho kopanya hantle, ho boloka lithethefatsi le lisebelisoa tse nyane.E entsoe ka lihlopha tse peli tse kopanyang.Tlas'a boemo ba ho se na matla a ka ntle, metsi a phallang ka har'a motsoako o na le liphello tse tharo ho kheloha, ho kopanya sefapano le ho khutlela morao, Ts'ebetso ea ho kopanya ke 90-95%.