Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8860
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dc.contributor.authorErdem, İlker-
dc.contributor.authorÇiftçioğlu, Muhsin-
dc.date.accessioned2020-07-18T08:34:04Z-
dc.date.available2020-07-18T08:34:04Z-
dc.date.issued2020-
dc.identifier.issn0004-881X-
dc.identifier.urihttps://doi.org/10.1007/s41779-019-00352-4-
dc.identifier.urihttps://hdl.handle.net/11147/8860-
dc.description.abstractCeramic membranes are more advantageous alternatives especially for harsh working conditions when compared with the polymeric membranes. The porous multilayer structure of the ceramic membranes (composed of support, intermediate, and top layers) can be prepared via different oxides. Titania and zirconia, having superior properties, are mainly preferred for the top layer formation. The separation properties of the membrane are both dependent on pore morphology and surface charge of the oxide(s) forming the top layer. The effect of surface charge in separation may be very significant in case of filtration of charged species with relatively lower mass as in the ultrafiltration (UF) and nanofiltration (NF). In this study, unsupported membrane top layers were prepared with varying titania/zirconia ratios by sol-gel technique. Their surface charges at different pH conditions after calcination at varying temperatures (400 degrees, 500 degrees, and 600 degrees C) were determined. The surface charge of the pure titania (full Ti) top layer was decreasing with the increasing calcination temperature. The highest magnitudes of zeta potential for both acidic and basic conditions were measured via Zr rich top layer (TiZr2575) at calcination temperatures >= 500 degrees C, which was composed of anatase, rutile (titania), and tetragonal (zirconia) phases after calcination. The tailor-made top layer can be prepared with modifications during membrane preparation.en_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of the Australian Ceramic Societyen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectTitaniaen_US
dc.subjectZirconiaen_US
dc.subjectMembraneen_US
dc.subjectCalcinationen_US
dc.subjectSurface chargeen_US
dc.titleModification of surface charge characteristics for unsupported nanostructured titania-zirconia UF/NF membrane top layers with calcination temperatureen_US
dc.typeArticleen_US
dc.institutionauthorÇiftçioğlu, Muhsin-
dc.departmentİzmir Institute of Technology. Chemical Engineeringen_US
dc.identifier.volume56en_US
dc.identifier.issue1en_US
dc.identifier.startpage203en_US
dc.identifier.endpage215en_US
dc.identifier.wosWOS:000519391800021en_US
dc.identifier.scopus2-s2.0-85079736686en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1007/s41779-019-00352-4-
dc.relation.doi10.1007/s41779-019-00352-4en_US
dc.coverage.doi10.1007/s41779-019-00352-4en_US
dc.identifier.wosqualityQ3-
dc.identifier.scopusqualityQ3-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.grantfulltextopen-
crisitem.author.dept03.02. Department of Chemical Engineering-
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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