英文材料 -污水处理和回用新技术.ppt

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1、NewTechnologyandApplicationExamplesonSewageTreatmentandReclamationNew Technology on Sewage Treatment and ReclamationNew Technology on Sewage Treatment and ReclamationNew Technology on Sewage Treatment and ReclamationNew Technology on Sewage Treatment and ReclamationUnderground SBR sewage treatment U

2、nderground SBR sewage treatment Underground SBR sewage treatment Underground SBR sewage treatment technologytechnologytechnologytechnologyUnpowered anaerobic sewage treatment Unpowered anaerobic sewage treatment Unpowered anaerobic sewage treatment Unpowered anaerobic sewage treatment technologytech

3、nologytechnologytechnologySewage Eco-treatment technologySewage Eco-treatment technologySewage Eco-treatment technologySewage Eco-treatment technologyConstructed wetland for sewage treatment Constructed wetland for sewage treatment Constructed wetland for sewage treatment Constructed wetland for sew

4、age treatment technologytechnologytechnologytechnologyMembrane bioreactor technologyMembrane bioreactor technologyMembrane bioreactor technologyMembrane bioreactor technologySBR SBR technological technological innovationinnovationConstructed Constructed wetland wetland technologytechnologyEco-treatm

5、ent for Eco-treatment for sewagesewageMembranebioreactortechnologyAnaerobicbedunpoweredtreatmenttechnologyAnaerobicdecayAbsorptionfiltingPredationwithclassConstructed Wetland for Sewage TreatmentFlow Diagram of System of Constructed Flow Diagram of System of Constructed Wetland for Sewage TreatmentW

6、etland for Sewage TreatmentPre-treatmentwetlandwater outletPre-treatment facilityWater inlet managementRoots and mediatorimpermeablemembrane Plants in Wetland（reed）Water outlet distributionWater level controlOriginal soil horizon Water outlet pipelineDiagram of Vertical Flow Wetland Purifying system

7、垂直流潜流式垂直流潜流式垂直流潜流式垂直流潜流式 water level controlWater outletPump Water inletLayoutDiagramoftheVerticalFaceforVerticalLayoutDiagramoftheVerticalFaceforVerticalSubsurfaceFlowConstructedWetlandSubsurfaceFlowConstructedWetland HDPE impermeable membrane The Structure of the System of Horizontal Subsurface Fl

8、ow Constructed Wetland for Sewage TreatmentMicroorganism at the rootRoots Water outletPre-treatmentPre-treatmentSewage Sewage Mineral layerGravelpipelineGravel pipeline Active SoilComparisontableofpollutantremovalperformanceofconstructedwetlandItems comparedItems comparedSubsurface Flow Subsurface F

9、low Constructed WetlandConstructed WetlandSurface Flow Surface Flow Constructed WetlandConstructed WetlandCOD removal COD removal High High Low Low total Phosphorus total Phosphorus RemovalRemoval HighHighLowLowSuspended Matter Suspended Matter RemovalRemovalHighHighLowLowNitrate Nitrogen Nitrate Ni

10、trogen RemovalRemovalHighHighLowLowAmmonia Ammonia Nitrogen RemovalNitrogen RemovalLowLowHighHightheOperationEffectofConstructedWetlandtheOperationEffectofConstructedWetland（BODBOD5 5）January 1986October 1997waterinletBODwaterinletBOD5 5WateroutletBODWateroutletBOD5 5SelectionofPlantsforConstructedW

11、etlandSelectionofPlantsforConstructedWetlandReed Canna Iris Typha Main Plants to chooseOrnamentalplant TechnicalfeaturesofConstructedWetlandTechnicalfeaturesofConstructedWetlandThe key points of design:The key points of design:Anti-clogging,anti-freeze and anti-floodAnti-clogging,anti-freeze and ant

12、i-floodAnti-clogging,anti-freeze and anti-floodAnti-clogging,anti-freeze and anti-floodAdvantages:Advantages:Easy to manage and Simple to maintain;Low operation coat（1/101/6）Weaknesses:Weaknesses:Large occupying area and earthwork,long Large occupying area and earthwork,long construction period;liab

13、le to clogconstruction period;liable to clogDevelopment trends:Development trends:Fabricated constructed wetland,strengthen Fabricated constructed wetland,strengthen the technology of combining nitrogen and the technology of combining nitrogen and phosphorus phosphorus ProjectExampleofConstructedWet

14、landProjectExampleofConstructedWetland（1)1)Septic poolGrill Pre-treatment Constructed wetlandMedium water pool Irrigation Sewage DomesticSewageinRuralAreaEmissionProject Example of Constructed Wetland Project Example of Constructed Wetland（1)1)Project Example of Constructed WetlandProject Example of

15、 Constructed Wetland（1)1)Project Example of Constructed Wetland Project Example of Constructed Wetland（2)2)Grill Pre-treatment Constructed wetlandIrrigation Domestic sewageMan-made islandMan-made lakeSewageTreatmentinTownsEmission when meet the standard in winterReuse in summerProject Example of Con

16、structed Wetland（2）Pre-TreatmentPre-TreatmentConstructedWetLandConstructedWetLandConstructedPondConstructedPondConstructedwetland（15000m2）Man-made lake（40000m2）Project Example of Constructed Wetland（3）WatercollectionpoolPumproomBiological filterWater plant poolConstructed wetlandReuse 12 waterfallsP

17、rocess of eco-treatment for sewage Biological poolProject Example of Constructed WetlandProject Example of Constructed Wetland（3 3）Water plant/animal purifyingBefore treatmentBiological filter(Microorganisms)Constructed wetland12 waterfalls Ecological parkVehiclecleaning,Vehiclecleaning,irrigationir

18、rigationProject Example of Constructed WetlandProject Example of Constructed Wetland（3 3）MilitaryAttachWereVisitingtheSiteMembrane Bio-reactor(MBR)TechnologyMembraneBioreactorworkingprincipleofmembraneSewage Membrane moduleMembrane bio-reactor Water reservoir SewagepumpAir blowerWateroutletpumpSteri

19、lizer Vehicle cleaning,rrigationEmission Water outlet through membraneTypes of Membrane Bio-reactor常用External MBR（separate）membrane separating unit is out of the biochemical pool.The power pushing the water through membrane is mainly the static pressure of water.The flow speed of membrane surface mu

20、st be relatively high to avoid membrane pollution and keep the sludge refluence.High power consumption.Immersion MBR（one-piece）membrane separating unit is located inside the biochemical pool.The power pushing the water through membrane is mainly the negative pressure from the sucking pump.The cleani

21、ng of the membrane surface relies on the aeration.Low power consumption which represents the trend of MBR technology.DomesticsewageAir Bio-reactorWateroutletMembraneRefluence DomesticsewageAir WateroutletBio-reactor+membraneTypes of MBR External MBRImmersionMBR(one-piece)Features of Membrane Bio-rea

22、ctorAdvantages:Advantages:High quality outlet water which can be reused High quality outlet water which can be reused High quality outlet water which can be reused High quality outlet water which can be reused directly;directly;directly;directly;High microorganism rate in the reactor,high High micro

23、organism rate in the reactor,high High microorganism rate in the reactor,high High microorganism rate in the reactor,high volume loading;volume loading;volume loading;volume loading;Small occupying area and small sludge producingSmall occupying area and small sludge producingSmall occupying area and

24、 small sludge producingSmall occupying area and small sludge producingWeakness:Weakness:High investment and operation cost;High investment and operation cost;High investment and operation cost;High investment and operation cost;Unsatisfying Unsatisfying Unsatisfying Unsatisfying denitrificationdenit

25、rificationdenitrificationdenitrification and and and and dephosphorizationdephosphorizationdephosphorizationdephosphorization effect;effect;effect;effect;High requirement for managementHigh requirement for managementHigh requirement for managementHigh requirement for management level level level lev

26、elDevelopment trendDevelopment trendImprove its Improve its Improve its Improve its dephosphorizationdephosphorizationdephosphorizationdephosphorization and and and and denitrificationdenitrificationdenitrificationdenitrification technologytechnologytechnologytechnologyProjectExampleofMembraneBio-re

27、actorirrigationSewage Sucking pumpsterilizerHair collectorAir blowerMan-made lakeMan-made lakeBar screenRegulating reservoirMBR pool poolMembrane Modulesubmersiblesewagepumps undergroundProjectExampleofMembraneBio-reactorProjectExampleofMembraneBio-reactorTo adhere to the principle of“plan from high

28、 point,design with To adhere to the principle of“plan from high point,design with To adhere to the principle of“plan from high point,design with To adhere to the principle of“plan from high point,design with high standard and run with high efficiency”,to combine the high standard and run with high e

29、fficiency”,to combine the high standard and run with high efficiency”,to combine the high standard and run with high efficiency”,to combine the environment planning with comprehensive realignment of environment,environment planning with comprehensive realignment of environment,environment planning w

30、ith comprehensive realignment of environment,environment planning with comprehensive realignment of environment,to combine the sewage reclamation with the landscaping,to realize to combine the sewage reclamation with the landscaping,to realize to combine the sewage reclamation with the landscaping,t

31、o realize to combine the sewage reclamation with the landscaping,to realize the overall improvement of ecosystem at the same time of sewage the overall improvement of ecosystem at the same time of sewage the overall improvement of ecosystem at the same time of sewage the overall improvement of ecosy

32、stem at the same time of sewage treatment.treatment.treatment.treatment.Keep the principle of“low invest and cost,emphases reuse and Keep the principle of“low invest and cost,emphases reuse and Keep the principle of“low invest and cost,emphases reuse and Keep the principle of“low invest and cost,emp

33、hases reuse and simple to management”,provide the technical support to the links simple to management”,provide the technical support to the links simple to management”,provide the technical support to the links simple to management”,provide the technical support to the links form process selection,p

34、roject design,construction to operation form process selection,project design,construction to operation form process selection,project design,construction to operation form process selection,project design,construction to operation management and to bring the sewage treatment into the road of sound

35、management and to bring the sewage treatment into the road of sound management and to bring the sewage treatment into the road of sound management and to bring the sewage treatment into the road of sound progress which is affordable to construct,to use,to manage and progress which is affordable to construct,to use,to manage and progress which is affordable to construct,to use,to manage and progress which is affordable to construct,to use,to manage and long effective.long effective.long effective.long effective.Conclusion of the ApplicationConclusion of the ApplicationThe End！