Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/735
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dc.contributor.authorNayab, S.-
dc.contributor.authorBaig, H.-
dc.contributor.authorGhaffar, A.-
dc.contributor.authorTuncel, E.-
dc.contributor.authorOluz, Zehra-
dc.contributor.authorDuran, Hatice-
dc.contributor.authorYameen, Basit-
dc.date.accessioned2019-03-18T08:12:04Z
dc.date.available2019-03-18T08:12:04Z
dc.date.issued2018-07-02
dc.identifier.citationNayab, S., Baig, H., Ghaffar, A., Tuncel, E., Oluz, Z., Duran, H., & Yameen, B. (2018). Silica based inorganic–organic hybrid materials for the adsorptive removal of chromium. RSC Advances, 8(42), 23963-23972.
dc.identifier.urihttps://pubs.rsc.org/en/Content/ArticleLanding/2018/RA/C8RA04209H#-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/735-
dc.description.abstractWe employed polymer functionalized silica gel as an adsorbent for the removal of Cr(vi) from water. The chains of 2-aminoethyl methacrylate hydrochloride (AEMA·HCl) polymer were grown from the surface of silica gel via surface-initiated conventional radical polymerization and the resulting hybrid material exhibited high affinity for chromium(vi). To investigate the adsorption behavior of Cr(vi) on diverse polymer based hybrid materials, the removal capacity of (SG-AEMH) was compared with our previously reported branched polyamine functionalized mesoporous silica (MS-PEI). The adsorption capacities of polymer based materials were also compared with their respective monolayer based platforms comprising a 3-aminopropyltriethoxysilane (APTES) functionalized silica gel (SG-APTES) and mesoporous silica (MS-APTES). The polymer based systems showed excellent Cr(vi) adsorption efficiencies compared to monolayer counterparts. The structural characteristics and surface modification of these adsorbents were examined by Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and thermogravimetric analysis (TGA). The experimental data were analyzed using the Langmuir and Freundlich models. Correlation coefficients were determined by analyzing each isotherm. The kinetic data of adsorption reactions were described by pseudo-first-order and pseudo-second-order equations. Thermodynamic parameters, i.e., change in the free energy (?G°), the enthalpy (?H°), and the entropy (?S°), were also evaluated. The synthesized hybrid materials exhibited a high adsorption capacity for chromium ions. Furthermore, they could be regenerated and recycled effectively.en_US
dc.language.isoenen_US
dc.publisherRoyal Society of Chemistryen_US
dc.relation.ispartofRSC Advancesen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHeavy-metal ionsen_US
dc.subjectFunctionalized mesoporous silicaen_US
dc.subjectAqueous-solutionen_US
dc.subjectHexavalent chromiumen_US
dc.subjectcr(vi) adsorptionen_US
dc.subjectSelective removalen_US
dc.subjectFacile synthesisen_US
dc.subjectWaste-wateren_US
dc.subjectDıffusive gradientsen_US
dc.subjectEnhanced removalen_US
dc.titleSilica based inorganic-organic hybrid materials for the adsorptive removal of chromiumen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Material Science and Nanotechnology Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümütr_TR
dc.identifier.volume8
dc.identifier.issue42
dc.identifier.startpage23963
dc.identifier.endpage23972
dc.authoridDuran, Hatice [0000-0001-6203-3906]-
dc.identifier.wosWOS:000437475600053en_US
dc.identifier.scopus2-s2.0-85049481039en_US
dc.institutionauthorDuran, Hatice-
dc.institutionauthorOluz, Zehra-
dc.identifier.doi10.1039/c8ra04209h-
dc.identifier.doi10.1039/c8ra04209h-
dc.authorwosidDuran, Hatice [B-1423-2009]-
dc.authorscopusid56086099200-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.fulltextWith Fulltext-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
crisitem.author.dept02.6. Department of Material Science and Nanotechnology Engineering-
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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