Citation: 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 Physico-Chimica Sinica, ;2011, 27(09): 2191-2199. doi: 10.3866/PKU.WHXB20110924 shu

Photocatalytic Degradation of Gaseous 1,2-Dichlorobenzene over TiO₂/AC Photocatalysts

1.
State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, P. R. China

Received Date: 10 May 2011
Available Online: 15 July 2011
Fund Project: 国家重点基础研究发展计划项目(2011CB201500) (2011CB201500) 国家科技支撑计划项目(2007BAC27B04-4) (2007BAC27B04-4)水体污染控制与治理科技重大专项课题(2009ZX07317-003)资助 (2009ZX07317-003)

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.
- Supported TiO₂,
- Activated carbon support,
- Specific surface area,
- Photocatalyst,
- Gaseous 1,2-dichlorobenzene
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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Photocatalytic Degradation of Gaseous 1,2-Dichlorobenzene over TiO2/AC Photocatalysts

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通讯作者: 陈斌, bchen63@163.com

Photocatalytic Degradation of Gaseous 1,2-Dichlorobenzene over TiO₂/AC Photocatalysts