Molao-motheo oa ts'ebetso ea MBBR ke ho eketsa biomass le mefuta e teng ka har'a reactor ka ho eketsa palo e itseng ea sejari se emisitsoeng ho reactor, e le ho ntlafatsa ts'ebetso ea kalafo ea mochini o matla. Hobane boima ba filler bo haufi le ba metsi, bo kopantsoe ka ho feletseng le metsi nakong ea aeration, 'me tikoloho ea kholo ea likokoana-hloko ke khase, metsi le e tiileng. Ho thulana le ho kuta ha motho ea tsamaisang metsi ka metsing ho etsa hore lipulumo tsa moea li be ntle le ho eketsa sekhahla sa tšebeliso ea oksijene. Ntle le moo, sejari se seng le se seng se na le mefuta e fapaneng ea likokoana-hloko ka hare le ka ntle, libaktheria tse ling tsa anaerobic kapa libaktheria tsa facultative li hōla ka hare, 'me ka ntle ho na le libaktheria tse ntle tsa trophic, e le hore e mong le e mong a be le mochine o monyenyane, e le hore karabelo ea nitrification le denitrification li be teng ka nako e le' ngoe. nako, e le ho ntlafatsa phello ea phekolo.
