Mai cika gado mai ruwa, wanda kuma aka sani da MBBR filler, sabon nau'in jigilar halittu ne. Yana ɗaukar dabarar kimiyya, gwargwadon buƙatun ingancin ruwa daban-daban, yana haɗa nau'ikan microelements daban-daban a cikin kayan polymer waɗanda ke haɓaka saurin haɓakar ƙwayoyin cuta cikin haɗe-haɗe. Tsarin filler mai cike da ramuka shine nau'i uku na da'ira mara kyau a ciki da waje, kowane da'irar yana da prong ciki da prong 36 a waje, tare da tsari na musamman, kuma ana dakatar da filler a cikin ruwa yayin aiki na yau da kullun. Kwayoyin anaerobic suna girma a cikin filler don samar da denitrification; kwayoyin cuta na aerobic suna girma a waje don cire kwayoyin halitta, kuma akwai duka nitrification da tsarin denitrification a cikin dukan tsarin jiyya. Tare da abũbuwan amfãni daga cikin manyan musamman surface area, hydrophilic da kusanci mafi kyau, high nazarin halittu aiki, azumi rataye fim, mai kyau magani sakamako, dogon sabis rayuwa, da dai sauransu, shi ne mafi zabi ga cire ammonia nitrogen, decarbonization da phosphorus kau, najasa tsarkakewa, da sauransu. sake amfani da ruwa, najasa deodorization COD, BOD don ɗaga ma'auni.