Ts'ebetso ea Moving Bed Biofilm Reactor (MBBR) ke ts'ebetso e ncha ea ho hloekisa metsi a litšila e kopanyang seretse se kentsoeng (ts'ebetso ea ho emisa) le mokhoa oa biofilm (khōlo e kopantsoeng le metsi). Ts'ebetso ena e entsoe bohareng ba lekholo la bo20 la lilemo, molao-motheo oa eona ke hore density e haufi le metsi, "suspension carrier filler" e kenyelletsoa tanka ea aeration e le sesebelisoa sa kholo ea likokoana-hloko, se tlatsang se ka ba ka botlalo. ho kopana le likhoerekhoere ka mor'a hore metsi ka aeration, 'me microorganisms ba ka khase, mokelikeli,' me e tiileng ea mekhahlelo e meraro kgolo tikoloho, ka nako ena, libaktheria anaerobic kapa facultative. baktheria ea anaerobic e hola ka bongata ka har'a sejari, 'me kantle ke baktheria ea aerobic,' me sejari se seng le se seng se etsa micro-reactor ho etsa hore nitrification reaction le denitrification reaction e be teng ka nako e le 'ngoe.
Ts'ebetso ea MBBR e kopanya melemo ea bethe ea setso e nang le mokelikeli le mokhoa oa bioloji oxidation, 'me e rarolla mathata a mochini o tsitsitseng oa bethe o hloka ho hlatsuoa khafetsa, bethe e nang le metsi e hloka ho kolobisa mokhanni, mme sefahla sa baeloji se nang le likhohola se bonolo ho se etsa. koala 'me e hloka ho hloekisa ho paka le ho nkela aerator sebaka. Ts'ebetso ena e bitsoa "mobile biofilm" ka lebaka la ho kopana khafetsa lipakeng tsa setlatsi se emisitsoeng le metsi a litšila.
Ts'ebetso ea MBBR e loketse ho hloekisa metsi a litšila a masepala le a indasteri. Ho tloha bofelong ba lilemo tsa bo-80 tsa lekholo la bo20 la lilemo, MBBR e 'nile ea sebelisoa libakeng tse fetang 400 tsa ho hloekisa likhoerekhoere linaheng tse 17 ho pota lefatše,' me e fumane liphello tse ntle. Hajoale, lits'ebetso tse kopaneng tsa MBBR tse sebelisoang li kenyelletsa ts'ebetso ea letoto la LINPOR MBBR le ts'ebetso ea letoto la Kaldnes MBBR, e ntlafatsang mokhoa oa setso o kentsoeng oa sludge mabapi le ho ntlafatsa phello ea kalafo le ho matlafatsa ho tlosoa ha naetrojene le phosphorus.