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dc.creatorVuković, Goran D.
dc.creatorMarinković, Aleksandar
dc.creatorŠkapin, Srečo Davor
dc.creatorRistić, Mirjana
dc.creatorAleksić, Radoslav
dc.creatorPerić-Grujić, Aleksandra
dc.creatorUskoković, Petar
dc.date.accessioned2021-03-10T11:33:07Z
dc.date.available2021-03-10T11:33:07Z
dc.date.issued2011
dc.identifier.issn1385-8947
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/1856
dc.description.abstractPristine, oxidized, ethylenediamine, diethylenetriamine and triethylenetetramine modified multi-walled carbon nanotubes (raw-MWCNT, o-MWCNT, e-MWCNT, d-MWCNT and t-MWCNT, respectively) were employed as adsorbents in order to study individual and competitive adsorption characteristics of Pb2+ and Cd2+ ions. In batch tests, the influence of functionalization, pH, contact time, initial metal ion concentration and temperature, on the ion adsorption on MWCNTs was studied. Adsorption of Pb2+ and Cd2+ on MWCNTs strongly depends on pH. Time dependent Pb2+ adsorption and adsorption data can be described by pseudo-second-order kinetic model and by Langmuir isotherm, respectively. The maximum adsorption capacities of Pb2+ and Cd2+ on d-MWCNT were 58.26 and 31.45 mg g(-1) at 45 degrees C. respectively. The competitive adsorption studies showed that the metal order affinity with respect to d-MWCNT and e-MWCNT is Pb2+ gt Cd2+. Thermodynamic parameters showed that the adsorption of Pb2+ on appropriate nanotubes was spontaneous and endothermic. According to desorption studies, regenerated MWCNT can be reused over five times with minimal loss of adsorption capacity. Comparison of obtained results with capacities and affinities of other adsorbents indicates suitability of amino-functionalized MWCNT application for removal of Pb2+ and Cd2+ from aqueous solution.en
dc.publisherElsevier Science Sa, Lausanne
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/245916/EU//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45019/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172007/RS//
dc.rightsrestrictedAccess
dc.sourceChemical Engineering Journal
dc.subjectLeaden
dc.subjectCarbon nanotubesen
dc.subjectAmino-functionalizationen
dc.subjectRemovalen
dc.subjectAdsorption mechanismen
dc.titleRemoval of lead from water by amino modified multi-walled carbon nanotubesen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage865
dc.citation.issue3
dc.citation.other173(3): 855-865
dc.citation.rankaM21
dc.citation.spage855
dc.citation.volume173
dc.identifier.doi10.1016/j.cej.2011.08.036
dc.identifier.rcubconv_3684
dc.identifier.scopus2-s2.0-80053224097
dc.identifier.wos000296413700020
dc.type.versionpublishedVersion


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