Kev kho dej khib nyiab hauv nroog: txheej txheem & yees

Yuav ua li cas niaj hnub kho cov nroj tsuag hloov cov dej khib nyiab rau hauv cov khoom siv rov siv tau thaum ua tau raws li cov qauv ib puag ncig

Kev kho dej khib nyiab niaj hnub siv cov txheej txheem purification peb-theem-thawj(lub cev),theem nrab(biological), thiabkawm ntawv qib siab(advanced) kev kho mob - tshem tawm txog li 99% ntawm cov kab mob. Txoj hauv kev zoo no ua kom cov dej tso tawm ua tau raws li cov cai tswj hwm thaum ua kom rov siv tau zoo dua qub.

1
Kev Kho Mob Tseem Ceeb: Kev cais lub cev

Tshem tawm 30-50% ntawm cov khib nyiab tshem tawm los ntawm kev siv tshuab

Bar Screens

Tshem cov khib nyiab loj (> 6mm) los tiv thaiv cov khoom siv hauv qab

Grit Chambers

Tsau xuab zeb thiab pob zeb ntawm kev tswj cov nrawm nrawm (0.3 m / s)

Primary Clarifiers

Cais cov roj floatable thiab cov khib nyiab (1-2 teev kaw)

2
Kev Kho Mob Thib Ob: Kev Ua Txhaum Cai

Degrades 85-95% ntawm cov organic teeb meem siv cov zej zog microbial

Cov Khoom Siv Hluav Taws Xob (Biological Reactor Systems).

Activated Sludge
MBBR
SBR

Cov ntsiab lus tseem ceeb

Aeration Tanks: Khaws 2 mg/L DO rau aerobic digestion
Secondary Clarifiers: Separate biomass (MLSS 2,000-4,000 mg/L)
Sludge Rov qab: 25-50% rov qab tus nqi los txhawb nqa biomass

3
Tertiary Treatment: Advanced Polishing

Tshem tawm cov zaub mov seem, cov kab mob, thiab micro-pollutants

Lim

Xuab zeb lim los yog membrane tshuab (MF/UF)

Tshuaj tua kab mob

UV irradiation lossis chlorine tiv tauj (CT ≥15 mg·min / L)

Kev tshem tawm cov zaub mov

Biological nitrogen tshem tawm, tshuaj phosphorus nag lossis daus

Cov Kev Siv Dej Kho Dej Rov Siv Dua

●

Toj roob hauv pes Irrigation

●

Muaj Cua Txias

●

Cov dej hauv av Recharge

●

Municipal Non-Potable

Lub luag haujlwm tseem ceeb ntawm Kev Kho Dej Ncua Dej

Kev tiv thaiv pej xeem kev noj qab haus huv

Tshem tawm cov kab mob hauv dej thiab cov kab mob

Environmental Compliance

Ua tau raws li cov cai tso tawm nruj (BOD <20 mg/L, TSS <30 mg/L)

Kev Pabcuam Rov Qab

Ua kom dej, lub zog, thiab cov khoom siv rov ua dua tshiab