Synthesis, characterization of magnetic chitosan/active charcoal composite and using at the adsorption of methylene blue and reactive blue4

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dc.authoridKaya, İsmet / 0000-0002-9813-2962
dc.authoridKaraer Yağmur, Hatice / 0000-0002-3728-1825
dc.contributor.authorKaraer, Hatice
dc.contributor.authorKaya, İsmet
dc.date.accessioned2025-01-27T20:43:41Z
dc.date.available2025-01-27T20:43:41Z
dc.date.issued2016
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn this study, a chitosan/activated charcoal (or carbon) (CTN/AC-Fe3O4) composite was obtained in one step, characterized several techniques such as by Fourier transform infrared spectroscopy, scanning electron microscopy, transmission electron microscopy, dynamic light scattering, Brunauer-EmmetTeller, thermogravimetric analysis/differential thermal analysis and differential scanning calorimetry techniques. The sorption the composite were investigated as kinetically and thermodynamically for removal of methylene blue (MB) and reactive blue4 (RB4) from aqueous solution. Effects of several parameters, such as initial temperature and initial concentration on removal of MB and RB4 from aqueous solution by the composite were investigated as a function of contact time. Maximum adsorption capacity (Qmax) was found to be 500 mg g(-1) at and 250 mg g(-1) at 318 K for MB, 298 K for RB4 respectively. Also, thermodynamic parameters such as Delta H-0, Delta G(0)and Delta S-0 were calculated by Langmuir adsorption isotherm model. Negative Gibbs free energy (Delta G(0)) implies that the adsorption is spontaneous and positive adsorption enthalpy (Delta H-0) demonstrates the process is endothermic for MB while negative adsorption enthalpy (Delta H-0) demonstrates the process is exothermic for RB4, respectively. (C) 2016 Elsevier Inc. All rights reserved.
dc.identifier.doi10.1016/j.micromeso.2016.06.006
dc.identifier.endpage38
dc.identifier.issn1387-1811
dc.identifier.issn1873-3093
dc.identifier.scopus2-s2.0-84973889178
dc.identifier.scopusqualityQ1
dc.identifier.startpage26
dc.identifier.urihttps://doi.org/10.1016/j.micromeso.2016.06.006
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24333
dc.identifier.volume232
dc.identifier.wosWOS:000380597000003
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Bv
dc.relation.ispartofMicroporous and Mesoporous Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectMethylene blue
dc.subjectReactive blue4
dc.subjectChitosan and active charcoal-Fe3O4
dc.subjectAdsorption
dc.subjectDye adsorption
dc.titleSynthesis, characterization of magnetic chitosan/active charcoal composite and using at the adsorption of methylene blue and reactive blue4
dc.typeArticle

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