Tam sim no huab cua kub zuj zus tuaj. Thaum tawm mus, ua tib zoo saib xyuas lub hnub tiv thaiv. Txhawm rau kom ua tau raws li tus qauv ntawm kev kho dej phwj tuaj, cov khoom siv kho dej phwj sib xyaw tau hloov kho tas li kom ua tau raws li qhov yuav tsum tau ua ntawm kev kho dej phwj hauv ntau qhov kev lag luam. Cov khoom siv kho dej hauv tsev feem ntau siv cov thev naus laus zis tshiab rau kev ua haujlwm siab, thiab cov khoom siv kho dej tsis siv neeg tau txais kev nyiam los ntawm kev lag luam.
Cov khoom siv feem ntau tuaj yeem muab faus rau hauv qab txheej khov lossis muab tso rau hauv av. Qhov saum npoo ntawm cov khoom siv tuaj yeem siv rau kev cog qoob loo lossis lwm yam kev siv av, uas tsis tas yuav tsim lub tsev rau cua sov thiab rwb thaiv tsev.
Kev kho mob ntawm kev sib chwv thib ob ntawm kev sib cuag oxidation txais yuav txoj kev thawb ntws ntawm kev sib chwv oxidation, thiab cov nyhuv ntawm qhov kev kho no feem ntau zoo dua li cov sib xyaw sib npaug sib npaug sib txuas oxidation tso tsheb hlau luam. Qhov no yuav muaj qhov ntim me dua li cov activated sludge tanks thiab muaj zog adaptability rau cov dej zoo. Cov dej effluent zoo yog qhov ruaj khov thiab feem ntau tsis ua rau sludge bulking.
Ib hom tshiab ntawm elastic peb-dimensional muab tub lim feem ntau yog siv nyob rau hauv lub pas dej ua ke, uas muaj ib tug loj qhov chaw ntawm lub cheeb tsam thiab yog ib qho yooj yim rau cov kab mob los tsim thiab tshem tawm daim nyias nyias. Nyob rau hauv tib cov organic load tej yam kev mob, tus nqi tshem tawm ntawm cov organic teeb meem yog kuj siab, yog li txhim kho lub solubility ntawm oxygen nyob rau hauv cov huab cua nyob rau hauv dej.