电絮凝-Domestic_Wastewater_Electrocoagulation

电絮凝-Domestic_Wastewater_ElectrocoagulationENVIRONMENTALENGINEERINGSCIENCEVolume25,Number2,2008©MaryAnnLiebert,Inc.DOI:10.1089/ees.2006.0132TreatmentofDomesticWastewaterbyElectrocoagulationinaCellwithFe–FeElectrodesUgurKurt,1M.TalhaGonullu,2FatihIlhan,3KamilVarinca4EnvironmentalEngineeringDepartmentYildizTechnicalUniversity,34349,IstanbulTurkeyABSTRACTInthisstudy,thepotentialtotreatdomesticwastewater(DWW)usinganelectrocoagulation(EC)processwastestedontwodifferentsamples,oneofwhichwasheavilyloaded[380mgchemicaloxygendemand(COD)/L];theotherwasweaklyloaded[260mgCOD/L].ThesamplesweresuppliedfromtheIstanbul-YenikapiDWWpretreatmentplant.TheexperimentalstudieswereconductedwithinanelectrolysiscellwithFe–Feelectrodes.Inthiscell,underoptimumoperationalconditionsintheformofelectricalpowerandelectrolysistime,pollu-tantremovalefficiency(asCOD),suspendedsolids(SS)andcharacteristicsofformedsludgeweretested.Attheendofthesestudies,theoptimumoperationalconditionsfoundforelectricalpowerwas0.6WforbothDWWsa