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Vol. 26 No. 2 (2014): Vol 26 Issue 2

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Selective Catalytic Reduction of NO by NH3 Over Ceria: Effect of Calcination Temperature on the Activity of Catalysts

https://doi.org/10.14233/ajchem.2014.15416
Rui-Tang Guo1
1School of Energy Source and Environmental Engineering, Shanghai University of Electric Power, Shanghai, P.R. China 2SEC-IHI Power Generation Environment Protection Engineering Co. Ltd., Shanghai, P. R. China 3Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China *Corresponding author: Fax: +86 21 65430410-352; Tel: +86 21 65430410-316; E-mail: grta@zju.edu.cn
Wen-Long Zhen1
1School of Energy Source and Environmental Engineering, Shanghai University of Electric Power, Shanghai, P.R. China 2SEC-IHI Power Generation Environment Protection Engineering Co. Ltd., Shanghai, P. R. China 3Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China *Corresponding author: Fax: +86 21 65430410-352; Tel: +86 21 65430410-316; E-mail: grta@zju.edu.cn
Yue Zhou1
1School of Energy Source and Environmental Engineering, Shanghai University of Electric Power, Shanghai, P.R. China 2SEC-IHI Power Generation Environment Protection Engineering Co. Ltd., Shanghai, P. R. China 3Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China *Corresponding author: Fax: +86 21 65430410-352; Tel: +86 21 65430410-316; E-mail: grta@zju.edu.cn
Wei Guo Pan1
1School of Energy Source and Environmental Engineering, Shanghai University of Electric Power, Shanghai, P.R. China 2SEC-IHI Power Generation Environment Protection Engineering Co. Ltd., Shanghai, P. R. China 3Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China *Corresponding author: Fax: +86 21 65430410-352; Tel: +86 21 65430410-316; E-mail: grta@zju.edu.cn
Hong-Jian Xu2
1School of Energy Source and Environmental Engineering, Shanghai University of Electric Power, Shanghai, P.R. China 2SEC-IHI Power Generation Environment Protection Engineering Co. Ltd., Shanghai, P. R. China 3Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China *Corresponding author: Fax: +86 21 65430410-352; Tel: +86 21 65430410-316; E-mail: grta@zju.edu.cn
Qiang Jin2
1School of Energy Source and Environmental Engineering, Shanghai University of Electric Power, Shanghai, P.R. China 2SEC-IHI Power Generation Environment Protection Engineering Co. Ltd., Shanghai, P. R. China 3Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China *Corresponding author: Fax: +86 21 65430410-352; Tel: +86 21 65430410-316; E-mail: grta@zju.edu.cn
Cheng-Gang Ding2
1School of Energy Source and Environmental Engineering, Shanghai University of Electric Power, Shanghai, P.R. China 2SEC-IHI Power Generation Environment Protection Engineering Co. Ltd., Shanghai, P. R. China 3Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China *Corresponding author: Fax: +86 21 65430410-352; Tel: +86 21 65430410-316; E-mail: grta@zju.edu.cn
Shi-Yi Guo2
1School of Energy Source and Environmental Engineering, Shanghai University of Electric Power, Shanghai, P.R. China 2SEC-IHI Power Generation Environment Protection Engineering Co. Ltd., Shanghai, P. R. China 3Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China *Corresponding author: Fax: +86 21 65430410-352; Tel: +86 21 65430410-316; E-mail: grta@zju.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 2 (2014): Vol 26 Issue 2

Abstract

Ceria was investigated as a catalyst for selective catalytic reduction of NO by NH3. The ceria catalysts were prepared by citric acid method with different calcination temperature. Experimental results showed that the selective catalytic reduction activity of ceria catalyst decreases with increasing calcination temperature within the reaction temperature range of 150-350 ºC. As can be seen from the characterization results of BET, XRD, temperature programmed reduction, total programmed desorption and XPS, the best selective catalytic reduction performance of ceria catalyst calcinated at 350 ºC may be resulted from its large surface area, good redox ability, strong NH3 adsorption capacity and high concentration of active oxygen species on the surface of this catalyst.

Keywords

Selective catalytic reduction CeO2 NO NH3.
Guo1, R.-T., Zhen1, W.-L., Zhou1, Y., Guo Pan1, W., Xu2, H.-J., Jin2, Q., … Guo2, S.-Y. (2014). Selective Catalytic Reduction of NO by NH3 Over Ceria: Effect of Calcination Temperature on the Activity of Catalysts. Asian Journal of Chemistry, 26(2), 407–410. https://doi.org/10.14233/ajchem.2014.15416
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