Kinetics of Photocatalytic Degradation of Gaseous Organic Compounds on Modified TiO2/AC Composite Photocatalyst

›› 2012, Vol. 20 ›› Issue (3): 572-576.

• 香港科技大学化学与生物分子工程系戈登·麦凯教授退休纪念专刊 • 上一篇下一篇

Kinetics of Photocatalytic Degradation of Gaseous Organic Compounds on Modified TiO₂/AC Composite Photocatalyst

杨青山¹, 廖永进², 毛玲玲³

1. Guangzhou Unisun Power Technology Co., Ltd., Guangzhou 510600, China;
2. Guangdong Power Test and Research Institute, Guangzhou 510600, China;
3. Guangdong Inspection & Quarantine Technology Center, Guangzhou 510623, China

收稿日期:2010-08-11 修回日期:2011-11-12 出版日期:2012-06-28 发布日期:2012-08-17
通讯作者: YANG Qingshan, E-mail: yangqingshan123@163.com
基金资助:
Supported by the Natural Science Foundation of Guangdong Province,China(8151064101000049)

Kinetics of Photocatalytic Degradation of Gaseous Organic Compounds on Modified TiO₂/AC Composite Photocatalyst

YANG Qingshan¹, LIAO Yongjin², MAO Lingling³

1. Guangzhou Unisun Power Technology Co., Ltd., Guangzhou 510600, China;
2. Guangdong Power Test and Research Institute, Guangzhou 510600, China;
3. Guangdong Inspection & Quarantine Technology Center, Guangzhou 510623, China

Received:2010-08-11 Revised:2011-11-12 Online:2012-06-28 Published:2012-08-17
Supported by:
Supported by the Natural Science Foundation of Guangdong Province,China(8151064101000049)

摘要/Abstract

摘要： This study is focused on the kinetic characteristics of photocatalytic degradation of gaseous organic compounds on modified titanium dioxide/activated carbon composite photocatalyst(MTA).The MTA,which co-doping with iron(Fe) and nitrogen(N),was synthesized by a sol-gel method,and its photocatalytic performance was investigated under different reaction conditions.The experimental data obtained were tested by the zero,first and second order kinetic model,and the factors affecting the kinetic model were analyzed.It was clearly demonstrated that the experimental data of toluene and acetone on MTA fit quite well with second order kinetic model equation,but the experimental data of formaldehyde fits well with zero order kinetic model equation.

关键词: titanium dioxide, activated carbon, photocatalyst, kinetic model

Abstract: This study is focused on the kinetic characteristics of photocatalytic degradation of gaseous organic compounds on modified titanium dioxide/activated carbon composite photocatalyst(MTA).The MTA,which co-doping with iron(Fe) and nitrogen(N),was synthesized by a sol-gel method,and its photocatalytic performance was investigated under different reaction conditions.The experimental data obtained were tested by the zero,first and second order kinetic model,and the factors affecting the kinetic model were analyzed.It was clearly demonstrated that the experimental data of toluene and acetone on MTA fit quite well with second order kinetic model equation,but the experimental data of formaldehyde fits well with zero order kinetic model equation.

Key words: titanium dioxide, activated carbon, photocatalyst, kinetic model

杨青山, 廖永进, 毛玲玲. Kinetics of Photocatalytic Degradation of Gaseous Organic Compounds on Modified TiO₂/AC Composite Photocatalyst[J]. , 2012, 20(3): 572-576.

YANG Qingshan, LIAO Yongjin, MAO Lingling. Kinetics of Photocatalytic Degradation of Gaseous Organic Compounds on Modified TiO₂/AC Composite Photocatalyst[J]. , 2012, 20(3): 572-576.

参考文献

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Kinetics of Photocatalytic Degradation of Gaseous Organic Compounds on Modified TiO₂/AC Composite Photocatalyst

Kinetics of Photocatalytic Degradation of Gaseous Organic Compounds on Modified TiO₂/AC Composite Photocatalyst

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