Preparation, Photocatalytic Activity, and Recovery of Magnetic Photocatalyst for Decomposition of Benzoic Acid

The purpose of this paper is to determine the experimental parameters of TiO2 preparation for optimizing the removal rate of benzoic acid by magnetic photocatalytic oxidation process. Therefore, this paper intended to prepare a magnetic photocatalyst (TiO2/SiO2/Fe3O4) that can be recycled using an e...

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Main Authors: Te-Li Su, Chyow-San Chiou, Hua-Wei Chen
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:International Journal of Photoenergy
Online Access:http://dx.doi.org/10.1155/2012/909678
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author Te-Li Su
Chyow-San Chiou
Hua-Wei Chen
author_facet Te-Li Su
Chyow-San Chiou
Hua-Wei Chen
author_sort Te-Li Su
collection DOAJ
description The purpose of this paper is to determine the experimental parameters of TiO2 preparation for optimizing the removal rate of benzoic acid by magnetic photocatalytic oxidation process. Therefore, this paper intended to prepare a magnetic photocatalyst (TiO2/SiO2/Fe3O4) that can be recycled using an external magnetic field. Magnetic photocatalysts are characterized by X-ray diffraction (XRD), vibrating sample magnetometry (VSM), and Fourier transform infrared (FTIR) spectroscopy. The optimal the experimental parameters of TiO2 preparation for the removal rate of photocatalysts were concluded as pH is 3, weight ratio of TiO2/SiO2(Fe3O4) is 1, and calcined temperature of TiO2/SiO2/Fe3O4 is 350∘C. Furthermore, the paramagnetic behaviors of the prepared TiO2/SiO2/Fe3O4 gave rise to the magnetic photocatalyst, which could be separated more easily through the application of a magnetic field for reuse.
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spelling doaj-art-786cfb2db42a432abd5dd03734e91b1c2025-08-20T02:07:31ZengWileyInternational Journal of Photoenergy1110-662X1687-529X2012-01-01201210.1155/2012/909678909678Preparation, Photocatalytic Activity, and Recovery of Magnetic Photocatalyst for Decomposition of Benzoic AcidTe-Li Su0Chyow-San Chiou1Hua-Wei Chen2Department of Cosmetic Application and Management, St. Mary's Medicine, Nursing and Management College, Yilan 266, TaiwanDepartment of Environmental Engineering, National I-Lan University, I-lan 26047, TaiwanDepartment of Cosmetic Application and Management, St. Mary's Medicine, Nursing and Management College, Yilan 266, TaiwanThe purpose of this paper is to determine the experimental parameters of TiO2 preparation for optimizing the removal rate of benzoic acid by magnetic photocatalytic oxidation process. Therefore, this paper intended to prepare a magnetic photocatalyst (TiO2/SiO2/Fe3O4) that can be recycled using an external magnetic field. Magnetic photocatalysts are characterized by X-ray diffraction (XRD), vibrating sample magnetometry (VSM), and Fourier transform infrared (FTIR) spectroscopy. The optimal the experimental parameters of TiO2 preparation for the removal rate of photocatalysts were concluded as pH is 3, weight ratio of TiO2/SiO2(Fe3O4) is 1, and calcined temperature of TiO2/SiO2/Fe3O4 is 350∘C. Furthermore, the paramagnetic behaviors of the prepared TiO2/SiO2/Fe3O4 gave rise to the magnetic photocatalyst, which could be separated more easily through the application of a magnetic field for reuse.http://dx.doi.org/10.1155/2012/909678
spellingShingle Te-Li Su
Chyow-San Chiou
Hua-Wei Chen
Preparation, Photocatalytic Activity, and Recovery of Magnetic Photocatalyst for Decomposition of Benzoic Acid
International Journal of Photoenergy
title Preparation, Photocatalytic Activity, and Recovery of Magnetic Photocatalyst for Decomposition of Benzoic Acid
title_full Preparation, Photocatalytic Activity, and Recovery of Magnetic Photocatalyst for Decomposition of Benzoic Acid
title_fullStr Preparation, Photocatalytic Activity, and Recovery of Magnetic Photocatalyst for Decomposition of Benzoic Acid
title_full_unstemmed Preparation, Photocatalytic Activity, and Recovery of Magnetic Photocatalyst for Decomposition of Benzoic Acid
title_short Preparation, Photocatalytic Activity, and Recovery of Magnetic Photocatalyst for Decomposition of Benzoic Acid
title_sort preparation photocatalytic activity and recovery of magnetic photocatalyst for decomposition of benzoic acid
url http://dx.doi.org/10.1155/2012/909678
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