INVESTIGATING REMOVAL OF TRIMETHYLXANTHINE BY ACTIVATED CARBON PREPARED FROM PET WASTE

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dc.authoridÖnal, Yunus/0000-0001-6342-6816
dc.authoridÖZDEMİR, Çiğdem SARICI/0000-0003-2129-3044
dc.authorwosidÖnal, Yunus/E-7170-2018
dc.authorwosidÖZDEMİR, Çiğdem SARICI/ABG-7777-2020
dc.contributor.authorSarici-Ozdemir, Cigdem
dc.contributor.authorOnal, Yunus
dc.date.accessioned2024-08-04T20:59:40Z
dc.date.available2024-08-04T20:59:40Z
dc.date.issued2012
dc.departmentİnönü Üniversitesien_US
dc.description.abstractActivated carbon (BK) has been prepared from polymeric wastes by chemical activation with KOH. Adsorption of trimethylxanthine onto BK was investigated with variations of pH, contact time, trimethylxanthine concentration, and temperature. The results were analyzed by the Langmuir and Freundlich equations. Adsorption of trimethylxanthine (caffeine) onto BK follows the Langmuir isotherm model. The kinetics of trimethylxanthine adsorption has been discussed using three kinetic models, i. e., the pseudo first-order, the pseudo second-order, and the intraparticle diffusion models. The kinetic studies showed that the adsorption followed a pseudo second-order reaction. The intraparticle diffusion rate constant, the external mass transfer coefficient, film and pore diffusion coefficients at various temperatures were evaluated. The thermodynamic parameters, such as Delta G degrees, Delta S degrees, and Delta H degrees, have been calculated. The thermodynamics of the trimethylxanthine -BK system indicated an endothermic process.en_US
dc.identifier.endpage945en_US
dc.identifier.issn1018-4619
dc.identifier.issn1610-2304
dc.identifier.issue4Aen_US
dc.identifier.startpage935en_US
dc.identifier.urihttps://hdl.handle.net/11616/103426
dc.identifier.volume21en_US
dc.identifier.wosWOS:000303697900002en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherParlar Scientific Publications (P S P)en_US
dc.relation.ispartofFresenius Environmental Bulletinen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectActivated carbonen_US
dc.subjectAdsorptionen_US
dc.subjectTrimethylxanthineen_US
dc.subjectKineticsen_US
dc.subjectDiffusionen_US
dc.titleINVESTIGATING REMOVAL OF TRIMETHYLXANTHINE BY ACTIVATED CARBON PREPARED FROM PET WASTEen_US
dc.typeArticleen_US

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