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