Magnetically recoverable TiO2-WO3 photocatalyst to oxidize bisphenol A from model wastewater under simulated solar light
作者： S. Dominguez , M. Huebra , C. Han , P. Campo , M.N. Nadagouda
DOI: 10.1007/S11356-016-7564-6
关键词: Photocatalysis 、 Materials science 、 Bisphenol A 、 Visible spectrum 、 Scanning electron microscope 、 Degradation (geology) 、 Environmental engineering 、 Transmission electron microscopy 、 Wastewater 、 Dispersion (chemistry) 、 Chemical engineering
摘要: A novel magnetically recoverable, visible light active TiO2-WO3 composite (Fe3O4@SiO2@TiO2-WO3) was prepared to enable the photocatalyst recovery after degradation of bisphenol (BPA) under simulated solar light. For comparison, photocatalytic activity other materials such as non-magnetic TiO2-WO3, Fe3O4@SiO2@TiO2, TiO2, and commercial TiO2 P25 also evaluated studied experimental conditions. The structure morphology synthesized were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), high-resolution transmission (HR-TEM), dispersion spectroscopy (EDS). Moreover, Brunauer-Emmett-Teller (BET) surface area magnetic properties samples determined. Fe3O4@SiO2@TiO2-WO3 led a BPA 17.50 27.92 %, respectively, 2 h irradiation. Even though their lower than that P25, which degraded completely 1 h, our catalysts separable for further reuse in treatment. Furthermore, influence water matrix municipal wastewater. Finally, identification reaction intermediates performed possible pathway proposed provide better understanding process.
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