MBBR wani sabon nau'in reactor ne na biofilm, wanda shine ingantacciyar sabon nau'in haɗe-haɗen reactor na biofilm wanda aka haɓaka bisa ƙayyadaddun reactor mai gado, reactor na gado mai ruwa da tacewa na halitta. Yana shawo kan gazawar da aka gyara na reactor na gado wanda yake buƙatar a sake wanke shi akai-akai, mai ɗaukar gado mai ruwa yana buƙatar ruwa mai ɗaukar kaya, kuma matatar nazarin halittu ta nutse ta toshe kayan tacewa ta maye gurbin iska, kuma tana riƙe da halaye na hanyar gargajiya na biofilm. nauyin girgiza, ƙarancin samar da sludge da tsawon sludge shekaru. Idan aka kwatanta da hanyar sludge da aka kunna, saboda tsawon shekarun sludge, zai iya riƙe ƙarin kwayoyin nitrifying kuma yana da sakamako mafi kyau. Babban ka'idar ita ce yin amfani da najasa don ci gaba da gudana ta hanyar reactor packrier, samar da biofilm akan mai ɗaukar hoto, kuma ƙwayoyin cuta za su ninka kuma suyi girma akan biofilm yayin da suke ƙasƙantar da gurɓataccen yanayi a cikin najasa, ta yadda za su taka rawar. tsarkakewa najasa.