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ISSN 1000-6818CN 11-1892/O6CODEN WHXUEU
Acta Phys Chim Sin >> 2011,Vol.27>> Issue(09)>> 2191-2199     doi: 10.3866/PKU.WHXB20110924         中文摘要
CATALYSIS AND SURFACE SCIENCE
Photocatalytic Degradation of Gaseous 1,2-Dichlorobenzene over TiO2/AC Photocatalysts
LU Sheng-Yong, HUANG Yi-Long, WANG Qiu-Lin, LI Xiao-Dong, YAN Jian-Hua
State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, P. R. China
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Using commercially available activated carbon (AC) as a carrier, photocatalysts of activated carbon-supported TiO2 (TiO2/AC) with different specific surface areas and TiO2 loading contents were prepared by the sol-gel method. Nitrogen adsorption, X-ray diffraction (XRD), and scanning electron microscopy (SEM) were used to obtain the performance parameters of the TiO2/AC catalysts. The photocatalytic performance of the TiO2/AC catalysts was studied by using gaseous 1,2-dichlorobenzene. The influence of catalyst dose, specific surface area, and gaseous 1,2-dichlorobenzene concentration on this photodegradation was investigated. The results show that a nano-TiO2 deposit was formed with a particle size of approximately 10 nm. The loading of TiO2 onto the AC with a large specific surface area enhanced the photocatalytic activity of TiO2 photocatalysis with regard to the degradation of gaseous 1,2- dichlorobenzene. We show that TiO2/AC catalysts have a synergetic effect on AC adsorption and TiO2 photocatalysis during the degradation of gaseous 1,2-dichlorobenzene by comparing the photocatalytic performance of a commercial P25 catalyst and TiO2/AC catalysts.

Keywords: Supported TiO2   Activated carbon support   Specific surface area   Photocatalyst   Gaseous 1,2-dichlorobenzene  
Received: 2011-05-10 Accepted: 2011-06-20 Publication Date (Web): 2011-07-15
Corresponding Authors: LU Sheng-Yong Email: lushy@zju.edu.cn

Fund: The project was supported by the National Key Basic Research Program of China (2011CB201500), National Key Technology Research and Development Program of China (2007BAC27B04-4) and NationalWater Pollution Control and Management Technology Major Projects, China (2009ZX07317-003).

Cite this article: LU Sheng-Yong, HUANG Yi-Long, WANG Qiu-Lin, LI Xiao-Dong, YAN Jian-Hua. Photocatalytic Degradation of Gaseous 1,2-Dichlorobenzene over TiO2/AC Photocatalysts[J]. Acta Phys. -Chim. Sin., 2011,27 (09): 2191-2199.    doi: 10.3866/PKU.WHXB20110924
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