Municipal Wastewater Treatment: Process & Technologies
Mamiriro emazuva ano ekugadziridza anoshandura mvura yetsvina kuita zviwanikwa zvakare achisangana nemamiriro ekunze
Kugadziriswa kwemazuva ano kwemvura yetsvina kunoshandisa matanho matatu ekunatsa—primary(pamuviri),yechipiri(biological), uyetertiary(advanced) kurapwa-kubvisa kusvika ku99% yezvinosvibisa. Iyi nzira yakarongeka inoita kuti mvura yakadzingwa ikwane zvinodikanwa uku ichigonesa kushandiswazve kwakasimba.
1
Kurapa Kwekutanga: Kuparadzaniswa Kwenyama
Inobvisa 30-50% yezvakarembera zvakasimbiswa kuburikidza nemakanika maitiro
Bar Screens
Bvisa marara makuru (> 6mm) kuchengetedza midziyo yakadzika
Grit Chambers
Gadzirisa jecha nematombo pane inodzorwa kuyerera kwevelocities (0.3 m/s)
Primary Clarifiers
Kupatsanura mafuta anoyangarika uye zvinogadziriswa zvinyoro (1-2 hr kuvharirwa)
2
Kurapa Kwechipiri: Biological Processing
Inodzikisira 85-95% yezvinhu zvipenyu zvichishandisa nharaunda dzine utachiona
Biological Reactor Systems
MBBR
SBR
Zvikamu Zvikuru
- Aeration Tanks: Chengetedza 2 mg / L KUITA kune aerobic digestion
- Secondary Clarifiers: Separate biomass (MLSS 2,000-4,000 mg/L)
- Sludge Return: 25-50% chiyero chekudzoka kuchengetedza biomass
3
Kurapa Kwepamusoro: Advanced polishing
Inobvisa zvinovaka muviri zvakasara, utachiona, uye micro-zvinosvibisa
Sefa
Mafirita ejecha kana membrane masisitimu (MF/UF)
Disinfection
UV irradiation kana chlorine kubata (CT ≥15 mg·min/L)
Nutrient Removal
Biological nitrogen kubviswa, kemikari phosphorus kunaya
Yakagadziriswa Mvura Yekushandisazve Zvikumbiro
Landscape Irrigation
Industrial Cooling
Mvura Yepasi Recharge
Municipal Non-Potable
Basa Rakakosha Rokugadzirisa Mvura Yakasviba
Kuchengetedzwa Kwehutano Hwevanhu
Inobvisa utachiona hwemvura uye zvinosvibisa
Environmental Compliance
Inosangana nemirairo yakaoma yekuburitsa (BOD <20 mg/L, TSS <30 mg/L)
Resource Recovery
Inogonesa kushandiswa kwemvura, simba, uye kudya patsva
Wastewater Treatment Nyanzvi
Chikwata chedu cheinjiniya chinopa mhinduro dzakakwana dzemapurojekiti ekuchenesa mvura yemasuwa nemaindasitiri.
Tsigiro yehunyanzvi iripo Muvhuro-Chishanu, 9:00-18:00 GMT+8
Nguva yekutumira: Chivabvu-08-2025