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dc.creatorBudimirovic, Dragoslav
dc.creatorVelickovic, Zlate S.
dc.creatorBajic, Zoran
dc.creatorMilošević, Dragana
dc.creatorNikolić, Jasmina B.
dc.creatorDrmanić, Saša Ž.
dc.creatorMarinković, Aleksandar D.
dc.date.accessioned2019-01-30T17:53:59Z
dc.date.available2019-01-30T17:53:59Z
dc.date.issued2017
dc.identifier.issn0352-5139
dc.identifier.urihttp://cer.ihtm.bg.ac.rs/handle/123456789/2123
dc.description.abstractThe multistage synthesis of the multi-wall carbon nanotubes (MWCNT) modified with polyamidoamine dendrimers, A1/and A2/MWCNT, capable of cation removal, is presented in this work, as well as novel adsorbents based on these precursor materials and modified with goethite nano-deposit, alpha-FeOOH, A1/ and A2/MWCNT-alpha-FeO(OH) adsorbents used for As(V) removal. In a batch test, the influence of pH, contact time, initial ion concentration and temperature on adsorption efficiency were studied. Adsorption data modelling by the Langmuir isotherm, revealed good adsorption capacities (in mg g(-1)) of 18.8 for As(V) and 60.1 and 44.2 for Pb2+ and Cd2+ on A2/MWCNT, respectively. Also, 27.6 and 29.8 mg g(-1) of As(V) on A1/ and A2/MWCNT-alpha-FeO(OH), respectively, were removed. Thermodynamic parameters showed that the adsorption is spontaneous and endothermic processes. Results of the study of influences of competitive ions: bicarbonate, sulfate, phosphate, silicate, chromate, fluoride and natural organic matter (NOM), i.e., humic acid (HA), showed the highest effect of phosphate on the decrease of arsenate adsorption. Time-dependent adsorption was best described by pseudo-second-order kinetic model and Weber-Morris model which predicted intra-particle diffusion as a rate-controlling step. Also, activation energy (E-a/kJ mol(-1)): 8.85 for Cd2+, 9.25 for Pb2+ and 7.98 for As(V), were obtained from kinetic data.en
dc.publisherSerbian Chemical Society
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)/172057/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172013/RS//
dc.relationUniversity of Defense - VA-TT/4-16-18
dc.rightsopenAccess
dc.sourceJournal of the Serbian Chemical Society
dc.subjectarsenicen
dc.subjectcadmiumen
dc.subjectleaden
dc.subjectadsorptionen
dc.subjectnanocompositesen
dc.subjectMWCNTen
dc.subjectgoethiteen
dc.titleRemoval of heavy metals from water using multistage functionalized multiwall carbon nanotubesen
dc.typearticle
dc.rights.licenseBY-NC-ND
dcterms.abstractНиколиц, Јасмина Б.; Дрманиц, Саса З.; Маринковиц, Aлександар Д.; Милошевић, Драгана; Велицковиц, Злате С.; Бајиц, Зоран; Будимировиц, Драгослав;
dc.citation.volume82
dc.citation.issue10
dc.citation.spage1175
dc.citation.epage1191
dc.citation.other82(10): 1175-1191
dc.citation.rankM23
dc.identifier.doi10.2298/JSC170422066B
dc.identifier.rcubConv_3829
dc.identifier.fulltexthttp://cer.ihtm.bg.ac.rs//bitstream/id/8544/2121.pdf
dc.identifier.scopus2-s2.0-85033558991
dc.identifier.wos000416623900008
dc.type.versionpublishedVersion


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