Activity Comparison of Three Transition Metal Catalysts Used in the Catalytic Combustion of VOCs

Journal of South China University of Technology(Natural Science Edition) ›› 2004, Vol. 32 ›› Issue (5): 56-59.

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Activity Comparison of Three Transition Metal Catalysts Used in the Catalytic Combustion of VOCs

Guo Jian-guang¹ Li Zhong¹ Xi Hong-xia¹ He Yu-sheng¹ Wang Bo-guang²

1．Research Institute of Chemical EngineeringSouth China Univ．of Tech．Guangzhou510640GuangdongChina；
2．Center of Guangzhou Environmental Monitoring StationGuangzhou510030GuangdongChina

Received:2003-10-20 Online:2004-05-20 Published:2015-09-08
Contact: 郭建光（1978-），男，博士生，主要从事环境与化学工程的研究． E-mail:jgguo＠scut.edu.cn
About author:郭建光（1978-），男，博士生，主要从事环境与化学工程的研究．

Abstract

Abstract: Three transition metal catalystsCuO／ γ -Al 2 O 3 CdO／ γ -Al 2 O 3 and NiO／ γ -Al 2 O 3 were prepared by depositing transition metal nitrate solutions on γ -Al 2 O 3 via impregnation．The catalytic activities of these three catalysts were compared by the catalytic combustion experiments of ethanolacetone and toluene．Experimental results show that both the light -off temperature and the total conversion temperature of the catalytic combustion of these three volatile organic compounds （VOCs） are much lower than the corresponding burning pointsthat CuO／ γ -Al 2 O 3 is of an more excellent catalytic activity than CdO／ γ -Al 2 O 3 and NiO／ γ -Al 2 O 3 that the light -off temperatures of the catalytic combustion of acetoneethanol and toluene catalyzed by CuO／ γ -Al 2 O 3 are respectively180190and230℃and that the stronger the polarity of VOCs isthe easier the corresponding oxidation is．

Key words: transition metal, catalyst, catalytic combustion, volatile organic compound

CLC Number:

TQ032.41

Guo Jian-guang, Li Zhong, Xi Hong-xia, et al. Activity Comparison of Three Transition Metal Catalysts Used in the Catalytic Combustion of VOCs[J]. Journal of South China University of Technology(Natural Science Edition), 2004, 32(5): 56-59.

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Activity Comparison of Three Transition Metal Catalysts Used in the Catalytic Combustion of VOCs

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