英文材料污水处理和回用新技术.pptxVIP

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英文材料污水处理和回用新技术.pptx

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New Technology and Application Examples on Sewage Treatment and ReclamationNew Technology on Sewage Treatment and ReclamationSBR technological innovationConstructed wetland technologyEco-treatment for sewageUnderground SBR sewage treatment technologyUnpowered anaerobic sewage treatment technologySewage Eco-treatment technologyConstructed wetland for sewage treatment technologyMembrane bioreactor technologyAnaerobic bed unpowered treatment technologyAnaerobic decayAbsorption filtingPredation with classMembrane bioreactor technologyConstructed Wetland for Sewage TreatmentFlow Diagram of System of Constructed Wetland for Sewage TreatmentPre-treatment facilityPlants in Wetland （reed）Roots and mediatorWater outlet distributionWater inlet managementWater level controlimpermeable membrane Original soil horizon Water outlet pipelinePre-treatmentwetlandwater outletDiagram of Vertical Flow Wetland Purifying systemPump Water outlet water level control???????????垂直流潜流式???????????Water inletLayout Diagram of the Vertical Face for Vertical Subsurface Flow Constructed Wetland Sewage The Structure of the System of Horizontal Subsurface Flow Constructed Wetland for Sewage TreatmentWater outletActive SoilMineral layerGravel pipelineGravel pipeline Pre-treatmentRoots HDPE impermeable membrane Microorganism at the rootComparison table of pollutant removal performance of constructed wetlandItems comparedSubsurface Flow Constructed WetlandSurface Flow Constructed WetlandCOD removal High Low total Phosphorus Removal HighLowSuspended Matter RemovalHighLowNitrate Nitrogen RemovalHighLowAmmonia Nitrogen RemovalLowHighthe Operation Effect of Constructed Wetland（BOD5）water inlet BOD5Water outlet BOD5October 1997January 1986Selection of Plants for Constructed WetlandMain Plants to chooseReed Typha Ornamental plant Canna Iris Technical features of Constructed WetlandThe key points of design: Anti-clogging, anti-freeze and anti-floodAdvantages: Easy to manage and Simple to maintain; Low operation