Tsarin Motsin Bed Biofilm Reactor (MBBR) sabon tsarin kula da ruwa ne wanda ya haɗu da kunna sludge (girman dakatarwa) da hanyar biofilm (ci gaban abin da aka makala ruwa). An ɓullo da tsarin a tsakiyar -80 na ƙarni na 20, ƙa'idarsa ita ce yawan ma'aunin yana kusa da ruwa, ana ƙara filler ɗin dakatarwa a cikin tankin iska a matsayin mai ɗaukar ƙananan ƙwayoyin cuta, mai cika zai iya zama cikakke. a lamba tare da najasa bayan da aka fluidized ta hanyar aeration, da kuma microorganisms suna cikin gas, ruwa, da kuma m uku-lokaci girma yanayin girma, a wannan lokaci, anaerobic kwayoyin ko facultative. Kwayoyin anaerobic suna girma da yawa a cikin mai ɗaukar hoto, kuma waje shine ƙwayoyin cuta na aerobic, kuma kowane mai ɗaukar hoto yana samar da micro-reactor don yin amsawar nitrification da halayen denitrification suna wanzu a lokaci guda.
Tsarin MBBR ya haɗu da fa'idodin duka gadon ruwa na gargajiya da kuma hanyar haɗin gwiwar halittu, kuma yana magance matsalolin ƙayyadaddun reactor na gado yana buƙatar sake wankewa akai-akai, gadon ruwa mai ruwa yana buƙatar ruwa mai ɗaukar kaya, kuma tacewar nazarin halittu mai sauƙi yana da sauƙi. toshe kuma yana buƙatar tsaftace marufi da maye gurbin aerator. Ana kiran tsarin a matsayin "mobile biofilm" saboda yawan haɗuwa tsakanin filler da aka dakatar da mai.
Tsarin MBBR ya dace da maganin sharar gida da na masana'antu. Tun daga ƙarshen 80s na karni na 20, an yi amfani da MBBR a cikin fiye da 400 masana'antun sarrafa magudanar ruwa a cikin ƙasashe 17 na duniya, kuma ya sami sakamako mai kyau. A halin yanzu, hanyoyin haɗin gwiwar MBBR da ake amfani da su sun haɗa da tsarin tsarin LINPOR MBBR da tsarin tsarin Kaldnes MBBR, wanda ke inganta hanyar da aka kunna na al'ada ta al'ada dangane da inganta tasirin jiyya da ƙarfafa cirewar nitrogen da phosphorus.