Methylene blue adsorption on magnetic alginate/rice husk bio-composite

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dc.contributor.authorAlver, Erol
dc.contributor.authorMetin, Aysegul Ulku
dc.contributor.authorBrouers, Francois
dc.date.accessioned2021-01-14T18:10:32Z
dc.date.available2021-01-14T18:10:32Z
dc.date.issued2020
dc.departmentKKÜ
dc.description.abstractMagnetic alginate/rice husk (m-ALG/RH) bio-composite beads prepared with ionotropic gelation method and used for methylene blue (MB) removal. Structural analysis of magnetic alginate/rice husk composite beads was performed using FTIR, SEM-EDS and TGA techniques. The accomplishment of magnetic alginate/rice husk composite beads as an adsorbent for the removal methylene blue was investigated from aqueous solution. Maximum experimental adsorption capacity of the bio-composite beads was calculated as 274.9 mg/g. The various process parameters such as pH, temperature and initial MB concentration optimized. It was determined that pH no significant effect on dye removal efficiency of beads while temperature and ionic strength caused a decrease on removal efficiency. The various isotherm models were applied for determine the adsorption mechanism and Freundlich isotherm model is more compatible with the experimental data. The kinetic studies showed that the adsorption of methylene blue can be well described by the fractal Brouers-Sotolongo kinetic model. The thermodynamic calculations indicated that methylene blue adsorption was a spontaneous and exothermic nature. The results showed that the magnetic alginate/rice husk bio-composite as low-cost and eco-friendly adsorbent can be effectively used for cationic dye removal steps in the environmental engineering applications. (C) 2020 Elsevier B.V. All rights reserved.en_US
dc.identifier.citationBu makale açık erişimli değildir.en_US
dc.identifier.doi10.1016/j.ijbiomac.2020.02.330
dc.identifier.endpage113en_US
dc.identifier.issn0141-8130
dc.identifier.issn1879-0003
dc.identifier.pmid32135251
dc.identifier.scopus2-s2.0-85081674516
dc.identifier.scopusqualityQ1
dc.identifier.startpage104en_US
dc.identifier.urihttps://doi.org/10.1016/j.ijbiomac.2020.02.330
dc.identifier.urihttps://hdl.handle.net/20.500.12587/12661
dc.identifier.volume154en_US
dc.identifier.wosWOS:000533508600012
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherELSEVIERen_US
dc.relation.ispartofINTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAlginateen_US
dc.subjectRice husken_US
dc.subjectBio-compositeen_US
dc.subjectMethylene blue adsorptionen_US
dc.subjectBrouers-Sotolongo modelen_US
dc.titleMethylene blue adsorption on magnetic alginate/rice husk bio-compositeen_US
dc.typeArticle

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