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Photodegradation of Ibuprofen, Cetirizine, and Naproxen by PAN-MWCNT/TiO2-NH2 nanofiber membrane under UV light irradiation
KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik.ORCID-id: 0000-0001-6288-7709
2018 (engelsk)Inngår i: Environmental Sciences Europe, ISSN 2190-4707, E-ISSN 2190-4715, Vol. 30, artikkel-id 47Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background: In this study, the photodegradation of three pharmaceuticals, namely Ibuprofen (IBP), Naproxen (NPX), and Cetirizine (CIZ) in aqueous media was investigated under UV irradiation. The photocatalyst used in this work consists of surface functionalized titanium dioxide (TiO2-NH2) nanoparticles grafted into Polyacrylonitrile (PAN)/multi-walled carbon nanotube composite nanofibers. Surface modification of the fabricated composite nanofibers was illustrated using XRD, FTIR, and SEM analyses. Results: Sets of experiments were performed to study the effect of pharmaceuticals initial concentration (5-50 mg/L), solution pH (2-9), and irradiation time on the degradation efficiency. The results demonstrated that more than 99% degradation efficiency was obtained for IBP, CIZ, and NPX within 120, 40, and 25 min, respectively. Conclusions: Comparatively, the photocatalytic degradation of pharmaceuticals using PAN-CNT/TiO2-NH2 composite nanofibers was much more efficient than with PAN/TiO2-NH2 composite nanofibers.

sted, utgiver, år, opplag, sider
SPRINGEROPEN , 2018. Vol. 30, artikkel-id 47
Emneord [en]
Photocatalytic, Cetirizine, Naproxen, Ibuprofen, Composite nanofibers, UV-light
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-240348DOI: 10.1186/s12302-018-0177-6ISI: 000452025200001PubMedID: 30595997Scopus ID: 2-s2.0-85057786194OAI: oai:DiVA.org:kth-240348DiVA, id: diva2:1271373
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QC 20181217

Tilgjengelig fra: 2018-12-17 Laget: 2018-12-17 Sist oppdatert: 2022-10-24bibliografisk kontrollert

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