Citation: YANG Jing, CUI Shi-Hai, LIAN Hong-Zhen. Preparation of Magnetical Photocatalyst Fe₃O₄/C/TiO₂ for Degradation of₂,4,6-Trichlorophenol in Aqueous Solution[J]. Chinese Journal of Inorganic Chemistry, ;2013, 29(10): 2043-2048. doi: 10.3969/j.issn.1001-4861.2013.00.332 shu

Preparation of Magnetical Photocatalyst Fe₃O₄/C/TiO₂ for Degradation of₂,4,6-Trichlorophenol in Aqueous Solution

1.
1 Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210097, China;

Received Date: 27 March 2013
Available Online: 17 May 2013
Fund Project: 国家重点基础研究发展计划(973计划)(No.2009CB421601,2011CB911003) (973计划)(No.2009CB421601,2011CB911003)国家自然科学基金(No.21275069,21177061) (No.21275069,21177061)江苏省高校自然科学基金(No.11KJB150008)江苏高校优势学科建设工程资助项目。 (No.11KJB150008)

Aseparable magnetic photocatalyst (Fe₃O₄/C/TiO₂) was prepared by a hydrothermal reaction with the reaction of FeCl3, glucose and tetrabutyltitanate. The catalyst Fe₃O₄/C/TiO₂ was characterized in terms of particle size, morphology and phase by transmission electron microscopy (TEM), energy dispersive X-ray (EDX) spectrometry, vibration sample magnetometry (VSM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). The catalytic activities and mechanism were evaluated by degradation of 2,4,6-trichlorophenol (TCP) aqueous solution. The reaction mechanism was investigated by the fluorescence technique. The results indicate that the catalyst has high degradation abilities and can be easily separated and reused by an external magnetic field. TCPcan be effectively degraded by 97.9% in the use of 1 g·L^-1 Fe₃O₄/C/TiO₂ under 18 W UVlight within₅₀ min. Adegradation rate of 95.1% can be maintained after 6 cycles. The hydroxyl radicals (OH) have been detected in the reaction.
- magnetic photocatalyst; degradation; 2,4,6-trichlorophenol (TCP)
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Preparation of Magnetical Photocatalyst Fe3O4/C/TiO2 for Degradation of2,4,6-Trichlorophenol in Aqueous Solution

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通讯作者: 陈斌, bchen63@163.com

Preparation of Magnetical Photocatalyst Fe₃O₄/C/TiO₂ for Degradation of₂,4,6-Trichlorophenol in Aqueous Solution