电凝聚和电气浮技术处理城镇生活污水的试验研究

©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()J1XianUniv.ofArch.&Tech.(NaturalScienceEdition)Vol.40No.3Jun.20081,2,1,1(11,710055;21(),710055):.,,.COD,COD;SS..:;;:X506:A:100627930(2008)0320424205.3.2005,281.4t,COD859.4t[1].2006,297.5t[2],5.7%.,.,,,,.,,.,,[324].[526]..11.1(1)(2),1.1Tab.1ExperimentalwaterandwastewaterqualityItemWatersample1Watersample2pH6.76.86.76.8COD/mgL-1260450540560SS/mgL-1100220470500Color/times2002503004001.2100mm90mm360mm,3.0L.3:2008201214:2008205204:(2000K132G10):(19762),,,,,.©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(OH)3,.pH3,.COD,pH6.711,79%,SS,50%,,,,SS.pH,,pH;pH,,.2.21pH0.25A/dm2,2.2Fig.2Effectofelectrolysistime2,30min,CODSS,CODSS70%70.16%88.1%,CODSS101.99mg/L32.32mg/L25,COD.30min,,CODSS,78.92%40%,COD88.41mg/L,SS;5243:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()40©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(OH)3;,;[7].,CODSS,83.7%81.38%,COD,:,,,;,;.,,,.5,,,:,,OH-H+,,,.2.51,NaCl,Cl-.pH,30min0.25A/dm2,6.6Fig.6Effectoftheelectrolytes6,NaCl,CODSS,NaCl6.84mol/L,SS.Cl-,Cl2,,,[7],NaClCOD.NaCl,COD,SS.Cl-,Cl2,OH-,,,COD;,,,SS.3,pH6.7930min0.250.60A/dm2,CODSS70%70%80%.040,,,.NaCl,.,pH6.730min0.25A/dm2,CODSS78%55%50%.,,7243:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1]20052.[2]20062.[3]EI2GoharyFA,Abo2ElelaSI:ShwhataSAandEI2KamahHM.Physico2Chemico2BiologicalTreatmentofMunici2palSewage[J].WatSciTech,1991,24(7):2852292.[4]GambrillMP.TreatmentofTropicalSewageProductionofMicrobiologicallySafeEffluentsforUnrestrictedCropIrrigation[J].WatSciTech,1992,26(7/8):144921458.[5].[J].,2004,30(6):3592361,364.YANGYi.StudyonEnhancedPrimaryTreatmentofMunicipalDomesticSewagebyElectrocoagulationandElec2trofloatationProcess[J].TechnologyofWaterTreatment,2004,30(6):3592361,364.[6].[J].:,2005,37(1):56259.YANGYi.EnhancedPrimaryTreatmentofTownDomesticWastewaterTreatmentbyElectrocoagulationandElec2trofloatationProcessUsingBipolarAluminiumElectrodes[J].J.XianUniv.ofArch.&Tech.(NaturalScienceE2dition),2005,37(1):56259.[7]().[M].,.:,1989.Briski.Electrocoagulationwater2Purification[M].QIUMei,Translation.Shanghai:ShanghaiJiaotongUni2versityPress,1989.StudyontreatmentofmunicipaldomesticsewagebyelectrocoagulationandelectroflotationYANGYi1,2,LIULi2zhong1,JINQi2ting1(11SchoolofEnvironmental&MunicipalEngineering,XianUniv.ofArch.&Technology,Xian710055,China;21StateKeyLaboratoryofArchitectureScienceandTechnologyinWestChina(XAUAT),Xian710055,China)Abstract:Theavailabilityandfeasibilityformunicipaldomesticsewagetreatmentbyelectrocoagulationandelectroflotationwerestudiedinthispaper.Treatmentresultsofmunicipaldomesticsewagebyelectrocoagulationandelectroflotationthroughchangingfactorswerecompared.HigherCODremovalefficiencyisachievedbyelectocoagulationandelectroflas2cation.TheeffluentCODvaluecouldreachthesecondarystandardoftownspsecondarysewagetreatment.TheSSandcolorremovalbyelectroflotationwereworsethanbyelectrocoagu2lation.Ithadsomepromotionalvaluethatsmall2scale,decentralizednatureofmunicipaldomesticsewageweretreatmentedbyelectrocoagulation.Keywords:electrocoagulation;electroflotation;municipaldomesticsewage.3824()403Biography:YANGYi,CandidateforPh.D.,Xian710055,P.R.China,Tel:0086229282202729,E2mail:[e-mail]