不同原水的水廠工藝運行優(yōu)化研究.pdf

1、同濟大學環(huán)境科學與工程學院碩士學位論文不同原水的水廠工藝運行優(yōu)化研究姓名：朱玲申請學位級別：碩士專業(yè)：環(huán)境工程指導教師：陳洪斌20090301AbstractABSTRACTShan曲aihasabundantsurfacewaterresource，butthequalityofrawwaterisnotSOgood，Shanghaiisoneofthe36citieswhichareinscarceofgood—qualityraw

2、waterWiththeimprovementoflivingstandardinShanghai，higherdrinkingwaterqualityisrequiredHowtomodifyorupgradetheconventionalwaterworksastoimprovethequalityofdrinkingwaterandtodealwithaccidentalwaterpollutionhasbecomeanurgen

3、ttaskinmanywaterworksStudiesonChenhangrawwaterandin—siturawwaterweredoneinAwaterworkofShanghaiPudongVeoliaCo，LtdParticlecountingtechnologyandconventionalmonitoringmethodswereusedtooptimizetheparametersofcoagulation，sedim

4、entationandfiltration，etcMainconclusionsarelistedasfollows：TheoptimizedPACdosageofChenhangrawwateris1O～13mg／Linnormalcondition；themorecoagulantwereaddedthemoresmallparticleswerefoundinsettledwaterifthedosageisover15mg／LT

5、oin—siturawwatersystem，theresultisoppositeAndthedosageforin—situsysteminwinterandinsunlnlercouldbecontrolledat25““30mg／Land20“25mg／LseparatelyTesttofourcoagulatesshowedthatFPAC3isthemostcostefficientandPACisthemosteffici

6、enttolowerturbidi夠PrechlorizationcoulddolittletoCherLhangrawwaterbutitmadetheturbidityandparticlenumberofsettledwaterinin—situsystemreducedby10％Inordertosolvetheproblemofaccidentalpollutionofinsiturawwater3“5mg／LmorePACo

7、r02～O4mg／LKMn04couldbeaddedBesides，20“30mg／LpowderedactivatedcarboncouldbeusedinworseCOnditionSimulationtestoninsiturawwaterfiltrationsystemprovedthebadfiltrationqualityofinsiturawwaterTheeffluentisnotsteadyTurbidityandp