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