Tare da bunkasar tattalin arzikin karkara da karuwar yawan jama'a, zubar da ruwan najasa a cikin karkara kuma yana karuwa. Domin kare muhallin karkara da lafiyar jama'a, akwai bukatar a kara gina wasu wuraren kula da najasa domin kula da najasa a yankunan karkara. Garin najasa shuka hadedde kayan aiki ya fito a cikin tarihi lokacin, cewa ta aiki tsari daidai yadda, a yau fahimtar.
Haɗe-haɗen kayan aiki na masana'antar kula da najasa ta gari galibi suna amfani da tsarin kula da ilimin halitta na AO don cire gurɓataccen yanayi da nitrogen ammonia. Ka'idar aikinsa tana cikin aji A, saboda yawan abubuwan da ke tattare da kwayoyin halitta a cikin najasa, ƙwayoyin cuta suna cikin yanayin hypoxia, a wannan lokacin, ƙwayoyin cuta suna da facultative microorganisms, za su lalata Organic nitrogen a cikin najasa cikin NH?-N, yayin amfani da tushen carbon na halitta azaman mai ba da gudummawar lantarki, NO?-N, NO?-N yana canzawa zuwa N? Kuma yin amfani da wasu maɓuɓɓugan carbon carbon da NH?-N don haɗa sabon kayan salula.
Saboda haka, ajin A pool na hadedde najasa magani kayan aikin ba kawai yana da wani Organic kau aikin, rage Organic lodi na m aerobic tank, wanda shi ne dace da nitrification, amma kuma dogara a kan babban taro na kwayoyin halitta data kasance a cikin. danyen ruwa don kammala denitrification, kuma a karshe ya kawar da gurbatar yanayi na nitrogen eutrophic.
A cikin aji na O, saboda an rage yawan abubuwan da ke tattare da kwayoyin halitta, amma kayan aikin kula da najasa har yanzu yana da adadin kwayoyin halitta da kuma babban NH?-N wanzu. Domin yin ƙarin hadawan abu da iskar shaka bazuwar kwayoyin halitta, kuma a karkashin kammala carbonization, da nitrification makamashi ci gaba smoothly, da aerobic nazarin halittu lamba hadawan abu da iskar shaka tank tare da low Organic load an saita a matakin O.
Aerobic microorganisms da kai-oxygenic kwayoyin yawanci wanzu a ajin O-pool na hadedde najasa jiyya kayan aikin. Shin ƙwayoyin cuta na aerobic suna lalata kwayoyin halitta zuwa CO? Kuma H? O, Inorganic carbon ko CO a cikin iska? A matsayin tushen gina jiki, NO a cikin najasa? - N, NO? -N zai zama N?. Tushen O pool yana gudana zuwa tafkin A, yana samar da mai karɓar lantarki don tafkin A, kuma a ƙarshe yana kawar da gurbataccen nitrogen ta hanyar cirewa.
Haɗe-haɗen kayan aiki na masana'antar kula da najasa ta gari a yankuna daban-daban na buƙatar zaɓar fasahar kula da najasa mai dacewa daidai da takamaiman yanayin yankunan karkara, sannan kuma yana buƙatar yin la'akari da yuwuwar, tattalin arziƙin ƙasa da tasirin fasahar. Jiading kare muhalli hadedde najasa jiyya kayan aikin iya saduwa da bukatun 0.3-hade 10,000 ton na najasa magani, da kuma 9 jerin kayayyakin za a iya zabar da yardar kaina, bisa ga daban-daban yanayi.
Lokacin aikawa: Maris 19-2024