Adsorption Characteristics of Heavy Metal İons Onto a Low Cost Biopolymeric Sorbent From Aqueous Solutions

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dc.contributor.authorÜnlü, Nuri
dc.contributor.authorErsöz, Mustafa
dc.date.accessioned2020-03-26T17:03:00Z
dc.date.available2020-03-26T17:03:00Z
dc.date.issued2006
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractIn this study, the adsorption conditions of Cu(II), Pb(II) and Cd(II) metal ions onto sporopollenin have been studied. The different variables effecting the sorption capacity such as pH of the solution, adsorption time, initial metal ion concentration and temperature have been investigated. Adsorption isotherms correlated well with the Freundlich type adsorption isotherm and adsorption capacities were found to be 0.0195, 0.0411 and 0.0146 mmol g(-1) for Cu(II), Pb(II) and Cd(II) metal ions, respectively. Experimental data were also evaluated to find out kinetic characteristics of the adsorption process. Adsorption processes for three target heavy metal ions were found to follow pseudo-second order type adsorption kinetics. Intraparticle diffusion was found to take part in adsorption processes but it could not be accepted as the primary rate-determining step. The mean free energies of adsorption (E) were found to be between 8 and 16 kJ mol(-1) for the metal ions studied and therefore adsorption mechanism for the adsorbent was explained as an ion-exchange process. But it was observed that chelating effect is also playing an important role in the adsorption of metal ions onto sporopollenin. Thermodynamic parameters, Delta H degrees, Delta S degrees and Delta G degrees were also calculated from graphical interpretation of the experimental data. Standard heats of adsorption (Delta H degrees) were found to be endothermic and AS' values were calculated to be positive for the adsorption of Cu(II), Pb(II) and Cd(II) ions onto the adsorbent. Negative Delta G degrees values indicated that adsorption process for these three metal ions onto sporopollenin is spontaneous.en_US
dc.identifier.citationÜnlü, N., Ersoz, M., (2006). Adsorption Characteristics of Heavy Metal İons Onto a Low Cost Biopolymeric Sorbent From Aqueous Solutions. Journal of Hazardous Materials, (136), 272-280. Doi: 10.1016/j.jhazmat.2005.12.013
dc.identifier.doi10.1016/j.jhazmat.2005.12.013en_US
dc.identifier.endpage280en_US
dc.identifier.issn0304-3894en_US
dc.identifier.issn1873-3336en_US
dc.identifier.pmid16442227en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage272en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.jhazmat.2005.12.013
dc.identifier.urihttps://hdl.handle.net/20.500.12395/20309
dc.identifier.volume136en_US
dc.identifier.wosWOS:000239230900017en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorErsoz, Mustafa
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofJournal of Hazardous Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectCopperen_US
dc.subjectLeaden_US
dc.subjectCadmiumen_US
dc.subjectSporopolleninen_US
dc.subjectLangmuir isothermen_US
dc.subjectFreundlich isothermen_US
dc.subjectD-r isothermen_US
dc.subjectKineticsen_US
dc.subjectThermodynamicsen_US
dc.titleAdsorption Characteristics of Heavy Metal İons Onto a Low Cost Biopolymeric Sorbent From Aqueous Solutionsen_US
dc.typeArticleen_US

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