电絮凝-Performance Evaluation of Electrocoagulation P

电絮凝-Performance Evaluation of Electrocoagulation Process for Removal of Chromium (VI) from Synthetic Chromium Solutions Using Iron and Aluminum ElectrodesTurkishJ.Eng.Env.Sci.32(2008),59–66.c�T¨UB˙ITAKPerformanceEvaluationofElectrocoagulationProcessforRemovalofChromium(VI)fromSyntheticChromiumSolutionsUsingIronandAluminumElectrodesEdrisBAZRAFSHANDepartmentofEnvironmentalHealth,SchoolofPublicHealth,ZahedanUniversityofMedicalSciences,Zahedan-IRANAmirHosseinMAHVI,SiminNASERI,AliRezaMESDAGHINIACenterforEnvironmentalResearch,TehranUniversityofMedicalSciences,Tehran-IRANe-mail:ahmahvi@yahoo.comReceived26.12.2006AbstractTheperformanceofelectrocoagulationwithironandaluminumsacrificialanodeforremovalofCr(VI)wasinvestigated.Severalworkingparameters,suchaspollutantconcentration,pH,electricalpotential,COD,turbidity,andcontacttimewerestudiedinanattempttoachieveahigherremovalcapacity.Solutionsofvaryingchromiumconcentrations(5-50-500ppm)wereprepared.Tofollowtheprogressofthetreatment,samplesof25mlwere