Improvement of the adsorption properties of an activated carbon coated by titanium dioxide for the removal of emerging contaminants

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dc.contributor.authorTaoufik, Nawal
dc.contributor.authorElmchaouri, Abdellah
dc.contributor.authorAnouar, Fatna
dc.contributor.authorKorili, Sophia A.
dc.contributor.authorGil Bravo, Antonio
dc.contributor.departmentZientziakeu
dc.contributor.departmentInstitute for Advanced Materials and Mathematics - INAMAT2en
dc.contributor.departmentCienciases_ES
dc.date.accessioned2020-04-15T11:15:33Z
dc.date.available2021-10-01T23:00:13Z
dc.date.issued2019
dc.description.abstractThree activated carbon coated titanium dioxide composites are evaluated as adsorbents for the removal of three pharmaceutical compounds: clofibric, gallic and salicylic acids from aqueous solutions. These composite materials are characterized by several techniques as SEM, FT-IR, TGA and point of zero charge determination. The adsorption mechanism of acids was investigated and compared to the adsorption on the virgin carbon. The analysis of adsorption isotherms and kinetic properties reveals that the addition of TiO2 increased the adsorption capacities of the initial material. The adsorption kinetics has been studied in terms of pseudo-first and pseudo-second order kinetic models, and the Freundlich, Langmuir, Temkin, Tôth and Sips isotherms models have also been applied to the equilibrium adsorption data. The analysis of results indicated that the adsorption of acids on the activated carbon-titanium dioxide composites is well described by the pseudo-first order kinetic model and the Sips isotherm equation fitted the sorption experimental results better than other models.en
dc.description.sponsorshipAG thanks Santander Bank for funding through the Research Intensification Program.en
dc.embargo.lift2021-10-01
dc.embargo.terms2021-10-01
dc.format.extent36 p.
dc.format.mimetypeapplication/pdfen
dc.identifier.doi10.1016/j.jwpe.2019.100876
dc.identifier.issn2214-7144
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/36723
dc.language.isoengen
dc.publisherElsevieren
dc.relation.ispartofJournal of Water Process Engineering, 31 (2019) 100876en
dc.relation.publisherversionhttps://doi.org/10.1016/j.jwpe.2019.100876
dc.rights© 2019 Elsevier Ltd. This manuscript version is made available under the CC-BY-NC-ND 4.0.en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectActivated carbonen
dc.subjectTitanium oxideen
dc.subjectSol-gel methoden
dc.subjectAdsorptionen
dc.subjectPharmaceutical compoundsen
dc.titleImprovement of the adsorption properties of an activated carbon coated by titanium dioxide for the removal of emerging contaminantsen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dspace.entity.typePublication
relation.isAuthorOfPublicationc3e28e52-d0f3-4b9d-82a4-6b347c553c64
relation.isAuthorOfPublicationcd12e590-cb42-47d5-a642-f60eeee624ec
relation.isAuthorOfPublication.latestForDiscoveryc3e28e52-d0f3-4b9d-82a4-6b347c553c64

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