Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/11386
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dc.contributor.authorMetecan, Ayşe-
dc.contributor.authorCihanoğlu, Aydın-
dc.contributor.authorAlsoy Altınkaya, Sacide-
dc.date.accessioned2021-11-06T09:47:02Z-
dc.date.available2021-11-06T09:47:02Z-
dc.date.issued2021-
dc.identifier.issn1385-8947-
dc.identifier.issn1873-3212-
dc.identifier.urihttps://doi.org/10.1016/j.cej.2021.128946-
dc.identifier.urihttps://hdl.handle.net/11147/11386-
dc.description.abstractNowadays, loose nanofiltration (NF) membranes are preferred for dye desalination to achieve high dye/salt selectivity and enable filtration at low operating pressure. However, current fabrication techniques require rigorous reaction conditions and long preparation times. Herein, we used the chelating ability of the polyethyleneimine (PEI) and alginate with the metal ions to fabricate loose NF membranes via a facile approach. The positively charged polyamide imide (PAI)/PEI support was used to build the assembly. Direct attachment of Zn or Fe ions to the PEI chains did not result in a stable complex in the presence of a high salt concentration (1000 ppm NaCl). On the other hand, alginate coated on the support allowed building permanent assemblies after crosslinked with Fe3+ and Zn2+ transition metal ions. The PAI/PEI-Alg-Fe3+ membrane exhibited the highest permeability, excellent antifouling behaviour upon exposure to synthetic textile wastewater, and maintained long-term stability under static and dynamic conditions. Also, the same membrane rejected dyes and coloured substances in real wastewater sample during 72 h continuous filtration. With alginate metal complex formation on a suitable support, a scalable loose NF membrane was manufactured, demonstrating improved throughput value compared to current NF membranes.en_US
dc.description.sponsorshipOne of the authors, Aydin Cihano.glu, was supported by the Scientific and Technological Research Council of Turkey (TUB.ITAK) with (2211/E) National PhD Scholarship program. We also would like to thank the Material Research Center, Biotechnology and Bioengineering Application Research Center and Environmental Research Center at the.Izmir Institute of Technology for their kind help and technical support. Also, thanks to the Ekoten Fabrics for the donation of the real wastewater and colour analysis of the treated water.en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofChemical Engineering Journalen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAlginate metal ion complex formationen_US
dc.subjectPolyamide-imideen_US
dc.subjectPolyethyleneimineen_US
dc.subjectDye desalinationen_US
dc.subjectNanofiltrationen_US
dc.subjectMembraneen_US
dc.titleA positively charged loose nanofiltration membrane fabricated through complexing of alginate and polyethyleneimine with metal ions on the polyamideimide support for dye desalinationen_US
dc.typeArticleen_US
dc.institutionauthorMetecan, Ayşe-
dc.institutionauthorCihanoğlu, Aydın-
dc.institutionauthorAlsoy Altınkaya, Sacide-
dc.departmentİzmir Institute of Technology. Chemical Engineeringen_US
dc.identifier.volume416en_US
dc.identifier.wosWOS:000661105400024en_US
dc.identifier.scopus2-s2.0-85101881958en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1016/j.cej.2021.128946-
dc.identifier.wosqualityQ1-
dc.identifier.scopusqualityQ1-
dc.identifier.wosqualityttpTop10%en_US
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextembargo_20250101-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.openairetypeArticle-
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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