水质与可持续未来.pdf

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1、Water Quality&A Sustainable FuturePresentation byElizabeth Heiles,P.E.Senior EngineerCentral Arkansas WaterCarlos Medina Arce Head of Hydraulics and Solar Power PlantsCanal de Isabel II2Fine Screen&Aerated Grit ChamberSedimentation TankBiochemical TankFine ScreenMBR Bio-ReactorFine Screen&Aerated Gr

2、it ChamberSedimentation TankBiochemical TankFine ScreenMBR Bio-ReactorUV DisinfectionSludge and Reclaimed Water Pump RoomHonghu WWTP Process FlowHonghu WWTPCapacity100,000 m3/daySurface Water StandardsClass IVTotal Nitrogen(TN)1.5 mg/LTotal Phosphorus(TP)0.3 mg/LOptimizationLand Area3.24 HectaresEle

3、ctrical Reduction5-10%Sludge Reduction10-15%Decrease in Chemical Consumption50-80%340510152025303540Turbidity(NTU)Chemical Oxygen Demand(COD)(mg/L)Changi WRP-Water Quality after MBR RetrofitConventionalMBR40.13620Aerial view of Changi WRP(Image:PUB)5NEWaterDistributionUVReverse OsmosisMF/UFSecondary

4、 TreatmentBiological TreatmentPrimary TreatmentNEWaterDistributionUVReverse OsmosisMBRConventionalChangi WRP MBR RetrofitMembrane Bioreactor-30%reduction in footprint eliminates UF/MF before ROCapacity Increase176 to 224(MGD)Used Water ProcessNEWater ProcessPrimary TreatmentDTSS6Tai Po Water Treatme

5、nt WorksCapacity800,000 m3/dayCovering Demand30%of HKOn-site Generation of Ozone Gas and Chlorine Gas7Tai Po Water Treatment WorksCapacity800,000 m3/dayCovering Demand30%of HKOn-site Generation of Ozone Gas and Chlorine Gas8Tai Po Water Treatment WorksCapacity800,000 m3/dayCovering Demand30%of HKOn-

6、site Generation of Ozone Gas and Chlorine Gas910To enhance the monitoring of raw water quality and ability to provide early warning of changes in water quality,the laboratory of the Tai Po has adopted the Biosensing Alert System.The System uses zebrafish,which have a genetic comp