Fim ɗin sludge mai tsayi mai tsayi wanda aka haɗe zuwa mai ɗaukar hoto a cikin tsarin MBBR yana ba da kyakkyawan yanayin rayuwa don ƙwayoyin cuta masu haɓaka sannu a hankali kuma suna iya samun tasiri mai tasiri na nitrification, yayin da shekarun da aka dakatar da sludge sludge shekaru gajeru ne, wanda galibi yana taka rawa. na cire kwayoyin halitta, don haka yana guje wa matsalar fadada sludge wanda ke da sauƙin faruwa lokacin da tsarin al'ada ya kula da tsawon sludge shekaru don cimma. nitrification. Matsayinsa na sludge yana ƙasa da na aikin sludge da aka kunna shi kaɗai, yayin da ingancin magani ya fi girma kuma aikin ya fi karko.
Tsarin MBBR ba wai kawai yana da babban inganci da sassaucin aiki na hanyar sludge da aka kunna ba, har ma yana da halaye na hanyar biofilm na gargajiya, kamar juriya mai tasiri, shekarun sludge mai tsayi da ƙarancin sludge. Tsarin yana da halaye masu zuwa:
(1) Low sludge load. sludge biofilm na dogon lokaci da aka haɗe zuwa mai ɗaukar hoto yana ba da kyakkyawan yanayin rayuwa don ƙwayoyin nitrifying masu haɓaka sannu a hankali kuma suna iya samun ingantaccen nitrification, yayin da sludge da aka dakatar yana da ɗan gajeren shekarun sludge kuma yana iya cire kwayoyin halitta yadda ya kamata. Sabili da haka, nauyin sludge na wannan dakatarwar da aka haɗe da ƙananan ƙwayoyin cuta na co-pond girma tsari ya fi ƙasa da na sauƙin kunna sludge tsari, kuma ingantaccen magani ya fi girma kuma aikin ya fi tsayi.
(2) Yawan kawar da kwayoyin halitta. Saboda babban yanki na musamman na mai ɗaukar hoto, babban adadi da iri-iri na ƙwayoyin cuta da ke haɗe zuwa samanta da ciki, ƙaddamarwar sludge a cikin reactor shine sau 5 ~ 10 na yau da kullun da aka kunna sludge, da jimlar taro. yana da girma kamar 30 ~ 40g / L, wanda zai iya inganta haɓakar haɓakar kwayoyin halitta.
(3) Kyakkyawan sakamako na denitrification. Kwayoyin da aka dakatar da kuma haɗe su zuwa saman mai ɗaukar hoto a cikin reactor na MBBR suna cikin yanayin iska, suna oxidizing ammonia nitrogen zuwa nitrate nitrogen, kuma yankuna masu facultative da anaerobic a cikin mai ɗaukar hoto suna haɓaka haɓakar ƙwayoyin cuta kuma suna taka rawar denitrification da denitrification, wanda yana da tasiri mai kyau akan kawar da nitrogen ammonia.
(4) Mai sauƙin kulawa da sarrafawa. Babu buƙatar saita madaidaicin marufi a cikin tanki mai ɗaukar nauyi, wanda ya dace don kiyaye kayan aiki da na'urar aeration a ƙasan tanki, adana saka hannun jari da sararin bene.
(5) Ba shi da sauƙi don samar da fadada sludge. An wanke fakitin dakatarwa ta hanyar ruwa da iska mai gudana, wanda ke tabbatar da aikin biofilm kuma yana inganta metabolism, kuma yawancin kwayoyin filamentous na iya girma a kan filler wanda ya zubar da ruwa a cikin tanki mai amsawa, don haka rage yiwuwar. na sludge kumburi.