Potengera zomwe zagulitsidwa posachedwa, kuchuluka kwa malamulo omwe alandilidwa ndi Liding Environmental Protection for AAO process equipment amakhalabe apamwamba. Ndi zinthu ziti zomwe zimapangitsa makasitomala kukhulupirira kwambiri njirayi? Kenako, Liding Environmental Protection iwonetsa kufunikira kwa njira ya AAO.
Mfundo yaikulu ya ndondomeko ya AAO ndiyo kugwiritsa ntchito nitrification ndi denitrification ya zamoyo pansi pa zochitika zosiyanasiyana kuti akwaniritse kuchotsa nayitrogeni, ndi kugwiritsa ntchito mabakiteriya omwe amasonkhanitsa phosphorous kuchotsa phosphorous. Choncho, njirayi ndi yabwino kwambiri kwa ntchito zomwe zimakhala ndi mphamvu zowonongeka za nayitrogeni ndi phosphorous. Ntchito zazikulu za zida zakumidzi zakumidzi zachimbudzi za AAO zimakhazikika m'magawo atatu, omwe ndi dziwe la anaerobic, dziwe la anoxic ndi dziwe la aerobic.
Mu anaerobic anachita m'dera, chifukwa cha kusowa kwa nitrate ndi mpweya mu zimbudzi za kumidzi m'nyumba zimbudzi mankhwala zipangizo, phosphorous kudzikundikira mabakiteriya kusunga mphamvu mu phosphorous-kudzikundikira mankhwala ndi kumasula phosphate ankafuna kusintha zinthu mopitirira muyeso, pamene mabakiteriya ena kwenikweni sagwira ntchito. . Mu gawo lochitirali mabakiteriya ena sagwira ntchito ndipo ndi ovuta kukula. The anaerobic reaction module amagwiritsidwa ntchito kuchepetsa COD ndikukonzekera kuchotsa phosphorous.
Mu anoxic anachita gawo, zimbudzi za kumidzi m'nyumba zimbudzi mankhwala zida ali ndi kuchuluka kwa nitrate popanda mpweya, ndi denitrifying mabakiteriya ntchito COD kuchepetsa nitrate kuti asafe, kumasula alkali, ndi kupeza mphamvu kukula. Kuchepetsa COD ndi nitrate nayitrogeni.
The aerobic reaction module ndiye gawo lalikulu lazida zakumidzi zakumidzi. Apa, mabakiteriya a nitrifying oxidize ammonia nitrogen to nitrate nitrogen, amadya alkalinity ndi oxygen, PAOs amamwa phosphorous yambiri, amagwiritsa ntchito mphamvu mu PHAs kupanga polyphosphorous, ndipo OHOs akupitiriza kuchotsa COD, PAOs, OHOs, ndi mabakiteriya a nitrifying onse amakula. munjira iyi. Kuchepetsa COD, ammonia nayitrogeni ndi phosphorous.
Kuchokera pakuwunika kofunikira kwa ntchito zachimbudzi zakumidzi zakumidzi, kusankha njira zochizira zimbudzi kuyenera kukwaniritsa zofunikira za sikelo yamankhwala, mawonekedwe a zimbudzi, mtundu wamadzi otayira komanso madzi otuluka. Panthawi imodzimodziyo, njira yoyenera yochiritsira iyenera kusankhidwa molingana ndi makhalidwe a zimbudzi zam'deralo. Nthawi zambiri zikuwonetsa kuti zida za AAO zakumidzi zakumidzi zimatha kusinthika kumitundu yosiyanasiyana yama projekiti.
Nthawi yotumiza: Jul-06-2023