Nkag Siab Thawj "A" hauv AAO Txheej Txheem: Kev Kho Mob Anaerobic
Lub AAO (anaerobic-oxic-oxic) kev kho mob ntawm kev kho kom zoo nkauj niaj hnub, nitrogen, thiab phosphorus. Thawj "" sawv cev rauAnaerobic Zone, ib theem tseem ceeb nyob qhov twg phosphorus tso tawm thiab cov organic teeb meem ib nrab. Hauv qab no, peb delve rau hauv kev ua haujlwm ntawm theem no thiab cov khoom tseem ceeb uas yuav tsum tau ua kom nws ua tiav zoo.
1. Cov haujlwm tseem ceeb ntawm thaj chaw anaerobic
● phosphorus tso tawm: Polyphosphaate-accumulating muaj sia (paos) tawg khaws cov polyphosphtates nyob rau hauv cov pa oxygen-pub dawb rau hauv dej.
● Cov organic teeb meem kev siv tshuaj hydrolysis: Cov organic sib txuas yog hydrolyzed rau hauv cov lus qhia yooj yim me me (piv txwv li, txhawb zog fatty acids), npaj lawv rau kev ua kom muaj kev cuam tshuam tom ntej.
Slude Sib xyaw: Rov qab sludge los ntawm theem nrab clarifier tau sib xyaw nrog cov khoom siv pov tseg los tswj cov haujlwm microbial.
2. Txheej Txheem Flow ntawm Anaerobic Zone
● Muaj kev cuam tshuam: Raw Dej Wastewater nkag mus rau Anaerobic reactor tom qab kev kuaj ua ntej (piv txwv li, ntawmCov ScreenslossisTeb nruas Lim) kom tshem cov khib nyiab loj.
Slude Sib xyaw: Rov qab sludge (nplua nuj hauv paos) yog sib xyaw nrog kev sivTsawg-ceev tovTxhawm rau kom ntseeg tau tias muaj kev faib tawm cov kev faib tawm yam tsis tau qhia oxygen.
● Kev tawm tsam anaerobic: Cov kab mob me me metabolize cov organic nyob hauv cov pa oxygen-dawb, tso cov phosphorus.Anaerobic BioreactorsNrog optimized hydraulic tsim txhim kho kev sib cuag.
● Nruab Nrab Hloov Hloov: Cov dej kho kom ntws mus rau Anoxic Zone, thaum muaj kev poob qis yog qhia rauSludge Dewatering Machine(piv txwv li, ntsia ntsia hlau presses) rau ntim txo.
3. Cov khoom siv tseem ceeb rau thaj chaw anaerobic
Txhawm rau kom ntseeg tau qhov kev ua tau zoo, cov khoom hauv qab no yog qhov tseem ceeb:
Tsawg-ceev tov
Khiv sludge ncua tsis muaj nce cov pa oxygen.
Slude recirculation twj
Hloov cov phosphorus-nplua nuj sludge los ntawm theem nrab clarifier rov qab mus rau Anaerobic cheeb tsam.
Cov Screens & Teb Nruas Lim
Tshem cov khib nyiab thiab tiv thaiv cov khoom siv hauv qab.
Anaerobic Bioreactors
Tsim los rau kev tuav ua haujlwm zoo thiab cov haujlwm microbial.
