Photocatalytic-Fenton Process under Simulated Solar Radiation Promoted by a Suitable Catalyst Selection

Díez, Aida M.; Valencia, Helen E.; Meledina, Maria; Mayer, Joachim; Kolen'ko, Yury V.

doi:10.3390/catal11080885

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Photocatalytic-Fenton Process under Simulated Solar Radiation Promoted by a Suitable Catalyst Selection

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International Iberian Nanotechnology Group, Avda. Mestre José Veiga s/n, 4715-330 Braga, Portugal

Central Facility for Electron Microscopy (GFE), RWTH Aachen University, D-52074 Aachen, Germany

Forschungszentrum Jülich GmbH, Ernst Ruska-Centre (ER-C), D-52425 Jülich, Germany

Author to whom correspondence should be addressed.

Academic Editor: Giuseppina Iervolino

Catalysts 2021, 11(8), 885; https://doi.org/10.3390/catal11080885

Received: 24 June 2021 / Revised: 10 July 2021 / Accepted: 15 July 2021 / Published: 22 July 2021

(This article belongs to the Special Issue Photo/Electrocatalysis for Wastewater Treatment)

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Abstract

Considering water scarcity, photo-based processes have been presented as a depollution technique, which should be optimized in order to be applied in the future. For that, the addition of an active photocatalyst and the usage of solar radiation are mandatory steps. Thus, Fe₃O₄–SiO₂–TiO₂ was synthesized, and its performance was evaluated using simulated solar radiation and methylene blue as a model pollutant. Under optimal conditions, 86% degradation was attained in 1 h. These results were compared to recent published data, and the better performance can be attributed to both the operational conditions selection and the higher photocatalyst activity. Indeed, Fe₃O₄–SiO₂–TiO₂ was physico-chemically characterized with techniques such as XRD, N₂ isotherms, spectrophotometry, FTIR, electrochemical assays and TEM. View Full-Text

Keywords: catalyst characterization; operational parameters; hydrogen peroxide; photo-Fenton; magnetic photocatalyst

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Díez, A.M.; Valencia, H.E.; Meledina, M.; Mayer, J.; Kolen'ko, Y.V. Photocatalytic-Fenton Process under Simulated Solar Radiation Promoted by a Suitable Catalyst Selection. Catalysts 2021, 11, 885. https://doi.org/10.3390/catal11080885

AMA Style

Díez AM, Valencia HE, Meledina M, Mayer J, Kolen'ko YV. Photocatalytic-Fenton Process under Simulated Solar Radiation Promoted by a Suitable Catalyst Selection. Catalysts. 2021; 11(8):885. https://doi.org/10.3390/catal11080885

Chicago/Turabian Style

Díez, Aida M., Helen E. Valencia, Maria Meledina, Joachim Mayer, and Yury V. Kolen'ko. 2021. "Photocatalytic-Fenton Process under Simulated Solar Radiation Promoted by a Suitable Catalyst Selection" Catalysts 11, no. 8: 885. https://doi.org/10.3390/catal11080885

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Photocatalytic-Fenton Process under Simulated Solar Radiation Promoted by a Suitable Catalyst Selection

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