Please use this identifier to cite or link to this item: http://hdl.handle.net/11452/23110
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dc.date.accessioned2021-12-09T07:01:16Z-
dc.date.available2021-12-09T07:01:16Z-
dc.date.issued2009-10-15-
dc.identifier.citationKara, A. (2009). "Adsorption of Cr(VI) ions onto poly(ethylene glycol dimethacrylate-1-vinyl- 1,2,4-triazole)". Journal of Applied Polymer Science, 114(2), 948-955.en_US
dc.identifier.issn0021-8995-
dc.identifier.urihttps://doi.org/10.1002/app.29169-
dc.identifier.urihttps://onlinelibrary.wiley.com/doi/10.1002/app.29169-
dc.identifier.urihttp://hdl.handle.net/11452/23110-
dc.description.abstractPoly(ethylene glycol dimethacrylate-1-vinyl-1,2,4-triazole) [poly(EGDMA-VTAZ) beads (average diameter = 150-200 mu m) were prepared by copolymerizing ethylene glycol dimethacrylate (EGDMA) with 1-vinyl-1,2,4-triazole (VTAZ). Poly(EGDMA-VTAZ)] beads were characterized by swelling studies and scanning electron microscope (SEM). The adsorption of Cr(VI) from solutions was carried at different contact times, Cr(VI) concentrations, pH, and temperatures. High adsorption rates were achieved in about 240 min. The amount of Cr(VI) adsorbed increased with increasing concentration and decreasing pH and temperature. The intraparticle diffusion rate constants at various temperatures were calculated. Adsorption isotherms of Cr(VI) onto poly(EGDMA-VTAZ) have been determined and correlated with common isotherm equations such as Langmuir and Freundlich isotherm models. The Langmuir isotherm model appeared to fit the isotherm data better than the Freundlich isotherm model. The pseudo first-order kinetic model was used to describe the kinetic data. The study of temperature effect was quantified by calculating various thermodynamic parameters such as Gibbs free energy, enthalpy, and entropy changes. The dimensionless separation factor (R-L) showed that the adsorption of metal ions onto poly(EGDMA-VTAZ) was favorable. It was seen that values of distribution coefficient (K-D) decreasing with Cr(VI) concentration in solution at equilibrium (C-e) indicated that the occupation of activate surface sites of adsorbent increased with Cr(VI).en_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAdsorptionen_US
dc.subjectAdsorption isothermsen_US
dc.subjectAdsorption kineticsen_US
dc.subjectCr(VI)en_US
dc.subjectHeavy-metal ionsen_US
dc.subjectAqueous-solutionsen_US
dc.subjectComplexing-liganden_US
dc.subjectRemovalen_US
dc.subjectBeadsen_US
dc.subjectChromium(VI)en_US
dc.subjectBiosorptionen_US
dc.subjectDyeen_US
dc.subjectCadmium(II)en_US
dc.subjectSpeciationen_US
dc.subjectPolymer scienceen_US
dc.subjectAdsorption isothermsen_US
dc.subjectAtmospheric temperatureen_US
dc.subjectCeriumen_US
dc.subjectCerium compoundsen_US
dc.subjectChromiumen_US
dc.subjectChromium compoundsen_US
dc.subjectDyesen_US
dc.subjectEthyleneen_US
dc.subjectEthylene glycolen_US
dc.subjectMetal ionsen_US
dc.subjectNitrogen compoundsen_US
dc.subjectRate constantsen_US
dc.subjectScanning electron microscopyen_US
dc.subjectThermal effectsen_US
dc.subjectAdsorption ratesen_US
dc.subjectAverage diameteren_US
dc.subjectContact timeen_US
dc.subjectCr(VI)en_US
dc.subjectDistribution coefficienten_US
dc.subjectEntropy changesen_US
dc.subjectEthylene glycol dimethacrylateen_US
dc.subjectFirst-order kinetic modelsen_US
dc.subjectFreundlich isotherm modelen_US
dc.subjectIntra-particle diffusionen_US
dc.subjectIsotherm dataen_US
dc.subjectIsotherm equationsen_US
dc.subjectKinetic dataen_US
dc.subjectLangmuir and Freundlich isotherm modelsen_US
dc.subjectLangmuir isotherm modelsen_US
dc.subjectScanning electron microscopesen_US
dc.subjectSeparation factorsen_US
dc.subjectSurface sitesen_US
dc.subjectSwelling studiesen_US
dc.subjectTemperature effectsen_US
dc.subjectThermodynamic parameteren_US
dc.subjectAdsorptionen_US
dc.subjectConcentrationen_US
dc.subjectCopolymerizationen_US
dc.subjectpHen_US
dc.subjectPolyethylene glycolen_US
dc.subjectSwellingen_US
dc.subjectTemperature effecten_US
dc.titleAdsorption of Cr(VI) ions onto poly(ethylene glycol dimethacrylate-1-vinyl- 1,2,4-triazole)en_US
dc.typeArticleen_US
dc.identifier.wos000268898300035tr_TR
dc.identifier.scopus2-s2.0-67651007357tr_TR
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergitr_TR
dc.contributor.departmentUludağ Üniversitesi/Fen-Edebiyat Fakültesi/Kimya Anabilim Dalı.tr_TR
dc.identifier.startpage948tr_TR
dc.identifier.endpage955tr_TR
dc.identifier.volume114tr_TR
dc.identifier.issue2tr_TR
dc.relation.journalJournal of Applied Polymer Scienceen_US
dc.contributor.buuauthorKara, Ali-
dc.contributor.researcheridAAG-6271-2019tr_TR
dc.subject.wosPolymer scienceen_US
dc.indexed.wosSCIEen_US
dc.indexed.scopusScopusen_US
dc.wos.quartileQ2en_US
dc.contributor.scopusid7102824859tr_TR
dc.subject.scopusChromium Hexavalent Ion; Biosorbents; Second-Order Modelen_US
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