Labarai
Shiga cikin injin sarrafa najasa kuma bincika sirrin najasa ba ya zama "datti"!
Abin sani?
Kullum idan muka wanke bandaki, munyi wanka, mu wanke kwano...
Ina najasar da ke shiga magudanar ruwa ta tafi?
A yau, cibiyar kula da najasa ta birnin Dazu
yana buɗewa ga jama'a akan gajimare
Bari mu bincika sirrin najasa daina zama "datti"!
Tsari 1: Babban ɗakin allo da ɗakin famfo mai shigar da ruwa
Tsare manyan tarkace da abubuwa masu iyo a cikin najasar da ke shiga masana'anta
Ɗaga danyen najasa daga zurfin ƙasa
zuwa tsarin jiyya na saman
Tsari 2: Kyakkyawan ɗakin allo da tankin yashi mai guguwa
Yana kawar da barbashi mafi girma na yashi (wanda aka haɗa), gashi da gajeriyar fiber a cikin najasa
Yana kawar da barbashi yashi tare da girman barbashi na ≥0.2mm a cikin najasa
Yana raba yashi inorganic daga kwayoyin halitta
Tsari na 3: Tankin lalata na farko Cire datti
Cire wasu SS da COD
Hakanan zai iya daidaita ingancin ruwa
Tsari na 4: Ingantaccen rami na oxidation
Yi amfani da ayyuka daban-daban na yankunan anaerobic, anoxic da aerobic
Yawanci ƙasƙantar da BOD5, COD da nitrification da denitrification
Gudanar da nitrogen na halitta da kawar da phosphorus.
Tsari na 5: Tankin mai lalata na biyu
Tsari na 6: Tsari mai zurfi
(dakin allo mai kyau, tankin tace zane)
Cire ƙananan barbashi a cikin najasa
Tace magudanar ruwa daga tanki na biyu
A kara rage
SS, TN, TP da sauran alamomin gurɓataccen ruwa a cikin ruwa
Tsari na 7: Tuntuɓi tankin disinfection
Kashe ƙwayoyin cuta da ƙwayoyin cuta waɗanda za su iya ƙunshe a cikin ruwan datti na masana'anta
Tsari na 8: Fitar da ruwa
Najasar ta tafi wurin gyaran najasa don "tafiya"
Wani sashe nasa ya zama iskar gas (carbon dioxide, da dai sauransu) kuma ana fitar dashi cikin iska
Bangaren shi ya daidaita ya koma sludge
Wani ƙwararren kamfani ne ke sarrafa shi
∆ Sa ido kan ingancin ruwa na ɓangare na uku
Ruwan da ya rage
Dole ne ingancin ruwa mai zubewa ya hadu
Abubuwan buƙatun ma'auni na Class A na ƙayyadaddun ƙayyadaddun ƙayyadaddun ma'aunin zubar da ruwa
kafin a iya fitarwa
Taken Ranar Muhalli ta Duniya 2024
"Kyakkyawan kasar Sin, ni dan wasan kwaikwayo ne"
Idan kowa
yana ajiye ruwa
yana son ruwa
yana kula da ruwa
to za mu iya
gina hasumiya daga yashi
gina kogi daga digo
dauki mataki yanzu!