RemovalofHexavalentChromium-ContaminatedWater:AReview,DepartmentofEnvironmentEngineering陆荣杰(No.20914079)6thNov.2009,Cr,IntroductionAdsorptionTechniques;MembraneFiltration;ElectrochemicalTreatment;Biologicalmethods;othersConclusionandprospect,Review,Introduction,Cr(VI)highlytoxicmetalandaprioritypollutantSourcesofChromium-ContaminatedWater,tanningindustries,electroplating,textiledying,woodpreservation,finishingofmetalsandplastics,etc,AdsorptionTechniques,ActivatedCarbonBiosorbentsModifiedSorbentsModifiedActivatedCarbonModifiedBiosorbentsIndustrialWasteSorbentsChitosan,InorganicMembraneCarbonmembrane;(Pugazhenthietal.2005)Nitratedcarbonmembrane;AminatedcarbonmembranePolymericMembraneFacilitatetheremovalandrecoveryofpollutantsaswellassolvent,i.e.,waterLiquidmembraneEmulsionliquidmembrane(ELM);Immobilizedliquidmembrane(ILM),MembraneFiltration,ElectrochemicalTreatment,MembraneElectrolysisAchemicalprocessdrivenbyelectrolyticpotentialElectrochemicalPrecipitationSomestudiesusingelectrochemicalprecipitation(ECP)wascarriedoutfortheremovalofCr(VI)fromrealelectroplatingwastewater,BiologicalmethodsBioreactor(C.Quintelasetal)FungiValeriaPrigioneetal,Italyothers,Others,ExtractionAgoodapplicationprospectsIonExchangehasreceivedmuchattentioninrecentyears,Conclusion,ComparisonsofdifferenttechniquesareverydifficultSelectionofasuitabletechniquedependsonmanyfactors,(1)Adsorption(especiallybiosorption.etc)(2)Membranefiltration(3)Biologicalmethods,Thankyouforyourattention!,