Removal of copper ions from aqueous solution by adsorption using LABORATORIES-modified bentonite (organo-bentonite).pdfVIP

Removal of copper ions from aqueous solution by adsorption using LABORATORIES-modified bentonite (organo-bentonite).pdf

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Front.Chem.Sci.Eng.2012,6(1):58 66 D0Il0 1007/slI705—0ll—ll60—6 Removalofcopperionsfrom aqueoussolutionbyadsorption usingLABORATORIES—modifiedbentonite(organo·bentonite) Sandy’VelyciaMARAM IS。AlfinKURNIAWAN ,AningAYUCITRA ,JakaSUNARSO , , , SuryadiISMADJI(函) 1DepartmentofChemicalEngineering,W idyaM andalaSurabayaCatholicUniversity,Surabaya60114,Indonesia 2AustralianResearchCounci1(ARC)CentreofExcellenceforElectromaterialsScience InstitutcofrTechnologyResearchandInnovation DeakinUniversity,Victoria3125,Australia ⑧ HigherEducationPressandSpringer—VerlagBerlinHeidelberg2012 Abstract Equilibrium.kinetic and thermodynamic exhaustsofmetallurgical,electroplating,printingcircuits, aspectsoftheadsorptionofcopperionsfrom anaqueous fertilizerandrefiningindustries.Generally.theconcentra— solution using linearalkylbenzenesulofnaterLABoRA— tionlimitforCu(II)ionsineffluentstobedischarged ToRIES)modified bentonite (organobentonite、are directlyintoin—landsurfaccwateris3.0mg/Lwhereasin reposed.Modification ofbentonitewasDerfbrmed via drinkingwaterthelimitis0.05mg/L 『l1.Despitethe microwave heating with a concentration 0fLABORA— beneficialeffectsoftraceamounts(gg/L1ofcopperofr T0RIES surfiactantequivalentto 1.5 timesthatofthe promotingtheenzymaticactivitiesofsomemicroorgan— cationexchangecapacity (CEO oftheraw bentonite. jsms.highconcentrationsOfthismeta1ionareundesirable Experimentalparametersaffectingtheadsoprtionprocess sincetheycauseirreversibleinhibitionofsomeenzymes such asDH,contacttimeandtemperaturcwerestudied. 2『].Moreover,theprolongedora1administrationofexcess Severa1adsoprtionequationsfe…g Langmuir,Freundlich, quantities of copper ions to humansmay cause liver SipsandToth)withtemperaturedependencywereusedto damageandacutepoisoning. correlate the equilibrium data.These models were

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