电絮凝-Removal of Cr(VI) from model wastewaters by el

电絮凝-Removal of Cr(VI) from model wastewaters by electrocoagulation with Fe electrodesSeparationSeparationandandPurificationPurificationTeTechnologychnologyVolume61,Issue1,6June2008,Pages15–21RemovalofCr(VI)frommodelwastewatersbyelectrocoagulationRemovalofCr(VI)frommodelwastewatersbyelectrocoagulationwithFeelectrodeswithFeelectrodesIlonaHeidmann,,WolfgangCalmanoInstituteofEnvironmentalTechnologyandEnergyEconomics,TechnicalUniversityHamburg-Harburg,EissendorferStr.40,21073Hamburg,Germanyhttp://dx.doi.org/10.1016/j.seppur.2007.09.011,HowtoCiteorLinkUsingDOIPermissions&ReprintsAbstractTheperformanceofanelectrocoagulationsystemwithironelectrodesforCr(VI)removalfrommodelwastewatersinlaboratoryscalewasstudiedsystematically.Severalparameters–suchasinitialmetalconcentration(10–50mg/lCr),chargeloading,andappliedcurrent–andtheirinfluenceontheelectrocoagulationprocesswereinvestigated.Crconcentrationdecreasedonlyslightlybycoagulationtimeathighcurrents(1.0–3.0A),whereasatlowcurrents(0.05–0.1A),