Motsin Bed Biofilm Reactor (Tsarin MBBR) yana ɗaukar fa'idodin gadon gado na gargajiya da hanyoyin iskar oxygen lamba ta halitta, kuma yana da sakamako mai kyau na cire nitrogen da phosphorus. Najasar ta ci gaba da wucewa ta cikin kwandon da aka dakatar a cikin reactor na MBBR kuma a hankali ya samar da biofilm akan saman ciki da na waje na filler, kuma ana tsabtace najasa ta hanyar aikin ƙwayoyin cuta akan biofilm. Kayan tattarawa yana motsawa cikin yardar kaina ƙarƙashin aikin jujjuyawar gyratory na cakuda a cikin reactor: a cikin yanayin na'urori masu motsi, ana motsa kayan ta hanyar iska, kuma a cikin yanayin anaerobic reactors, injin yana motsawa.
