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Article

Immobilization of TiO2 Semiconductor Nanoparticles onto Posidonia Oceanica Fibers for Photocatalytic Phenol Degradation

1
Laboratory of Energy and Materials (LABEM), High School of Sciences and Technology of Hammam Sousse, Sousse University-Tunisia, Hammam, Hammam Sousse 4011, Tunisia
2
Department of Chemistry, Technische Universität Berlin, TC 8, Straße des 17. Juni 124, 10623 Berlin, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Sergi Garcia-Segura
Water 2021, 13(21), 2948; https://doi.org/10.3390/w13212948
Received: 29 September 2021 / Revised: 13 October 2021 / Accepted: 14 October 2021 / Published: 20 October 2021
(This article belongs to the Section Wastewater Treatment and Reuse)
A new composite photocatalyst called POF/TiO2 was prepared from commercial P25 TiO2 and Posidonia oceanica fibers (POF), a biomaterial collected from Tunisia’s beach. The composite material was prepared by a classical sol-gel synthesis and was characterized by different methods. SEM images show a TiO2 layer formed on top of the fibers, which was verified by XRD and XPS. Diffuse reflectance UV-vis spectroscopy shows that the layer has the same optical properties (Eg = 3.0 eV) as bulk P25. The photodegradation of phenol as a model compound was studied under different operating conditions using POF/TiO2 and the results show degradation efficiencies between 4% (100 ppm) and 100% (<25 ppm) after 4 h of UV-C light irradiation (254 nm) using a POF/TiO2 concentration of about 1 g/L. The composite material showed good stability and could be recycled up to three times. View Full-Text
Keywords: Posidonia oceanica fibers; TiO2; P25; Photocatalysis; phenol degradation; composite material Posidonia oceanica fibers; TiO2; P25; Photocatalysis; phenol degradation; composite material
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MDPI and ACS Style

Morjène, L.; Schwarze, M.; Seffen, M.; Schomäcker, R.; Tasbihi, M. Immobilization of TiO2 Semiconductor Nanoparticles onto Posidonia Oceanica Fibers for Photocatalytic Phenol Degradation. Water 2021, 13, 2948. https://doi.org/10.3390/w13212948

AMA Style

Morjène L, Schwarze M, Seffen M, Schomäcker R, Tasbihi M. Immobilization of TiO2 Semiconductor Nanoparticles onto Posidonia Oceanica Fibers for Photocatalytic Phenol Degradation. Water. 2021; 13(21):2948. https://doi.org/10.3390/w13212948

Chicago/Turabian Style

Morjène, Latifa, Michael Schwarze, Mongi Seffen, Reinhard Schomäcker, and Minoo Tasbihi. 2021. "Immobilization of TiO2 Semiconductor Nanoparticles onto Posidonia Oceanica Fibers for Photocatalytic Phenol Degradation" Water 13, no. 21: 2948. https://doi.org/10.3390/w13212948

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