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Comparison of sulfamethoxazole removal efficiency using polyethersulfone ultrafiltration membrane modified by various methods

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dc.contributor.authorHidalgo Montesinos, Asunción María
dc.contributor.authorMurcia Almagro, María Dolores
dc.contributor.authorGómez Gómez, María
dc.contributor.authorCollado-González, Mar
dc.contributor.authorMontiel Morte, María Claudia
dc.contributor.authorMartínez Morga, Marta
dc.contributor.authorMartínez, Marta
dc.contributor.departmentIngeniería Química
dc.contributor.departmentBiología Celular e Histología
dc.date.accessioned2025-09-25T08:13:46Z
dc.date.available2025-09-25T08:13:46Z
dc.date.copyright© 2024 by the authors
dc.date.issued2024-12-20
dc.description.abstractNowadays, there is a growing interest in membrane modification processes to improve their characteristics and the effectiveness of their treatments and reduce the possible fouling. In this sense, in this work, a modification of an ultrafiltration membrane with three different materials has been carried out: reduced graphene oxide (rGO), chitosan and MgCl2. For both the native and the modified membranes, a study has been carried out to remove the emerging contaminant sulfamethoxazole (SMX). SEM and SEM-EDX analyses have been performed to confirm membrane surface modifications. In the characterisation of the membranes, it is noteworthy that the values of the permeability coefficient, Aw, have been lower in the modified membranes, which is unexpected. Regarding the pollutant removal tests, the influence of pressure and initial concentration on permeate flux and rejections has been studied. Native membrane shows the highest permeate flux values. Comparing the modified membranes, the highest rejection values are obtained with the rGO-modified membrane, which can be explained by its greater hydrophilic character. Finally, a fouling study was carried out, verifying that in almost all cases, fouling occurs after the passage of the pollutant due to the blockage of the membrane pores.
dc.formatapplication/pdf
dc.format.extent20
dc.identifier.citationMaterials 2024, 17, 6247
dc.identifier.doihttps://doi.org/10.3390/ma17246247
dc.identifier.issn1996-1944
dc.identifier.urihttp://hdl.handle.net/10201/161629
dc.languageeng
dc.publisherMDPI
dc.relationSin financiación externa a la Universidad
dc.relation.publisherversionhttps://www.mdpi.com/1996-1944/17/24/6247
dc.rightsAttribution 4.0 International*
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectMembrane modification
dc.subjectUltrafiltration membrane
dc.subjectChitosan
dc.subjectReduced graphene oxide
dc.subjectSaline solutions
dc.subjectSulfamethoxazole
dc.subjectFouling
dc.subject.odsNo relacionado con ningún objetivo de desarrollo sostenible
dc.titleComparison of sulfamethoxazole removal efficiency using polyethersulfone ultrafiltration membrane modified by various methods
dc.typeinfo:eu-repo/semantics/article
dspace.entity.typePublicationes
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