Mefuta e phahameng ea bophelo e kenyelletsa mefuta e mengata e fapaneng ea likokoana-hloko tse sa bonahaleng tse kang li-ciliates, flagellates, rotifers, tardigrades, joalo-joalo, 'me li bontša bophelo bo botle ba setsi sa hau sa ho hloekisa metsi a litšila.
Mefuta e phahameng ea bophelo li na le kutloelo-bohloko haholo ho liphetoho tsa mofuta ofe kapa ofe tsamaisong ea phepelo ea metsi a litšila.
Ho ba sieo ha mefuta e phahameng ea bophelo tsamaisong ho bontša boemo bo phahameng ba chefo ka har'a metsi a litšila, e ka bakoang ke ho ba teng ha metsoako e chefo, COD e phahameng, TDS e phahameng, kapa pH e feteletseng.
Mefuta e fapaneng ea mefuta e phahameng ea bophelo e hlaha nakong ea mekhahlelo e fapaneng ea nts'etsopele ea seretse kalafong ea bobeli ea metsi; ka hona, puso ea mefuta e meng ea mefuta e phahameng ea bophelo ka nako e itseng e ka thusa ho utloisisa sethala le lilemo tsa nts'etsopele ea litšila.
Ho shebisisa lintho tsa khale tsa mefuta e phahameng ea bophelo ho ka bonts'a mofuta o mong oa ts'oenyeho tsamaisong, joalo ka ho fokotseha ha oksijene, ho feto-fetoha ha pH, le ho kena ha motsoako ofe kapa ofe o chefo tsamaisong eo e kanna ea ba e bakileng lefu la tšohanyetso.
Kahoo, mefuta e phahameng ea bophelo ke matšoao a matle a bophelo bo botle ba sistimi ea hau ea litšila.