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Vol. 27 No. 4 (2015): Vol 27 Issue 4

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Poisoning Effect of Lead Doping on MnWOx Catalysts for Selective Catalytic Reduction of NO by NH3

https://doi.org/10.14233/ajchem.2015.18080
Wei-Guo Pan
School of Energy Source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, P.R. China; Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China
Qiang Zhang
School of Energy Source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, P.R. China; Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China
Rui-Tang Guo
School of Energy Source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, P.R. China; Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China
Wen-Long Zhen
School of Energy Source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, P.R. China; Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China
Hong-Lei Ding
School of Energy Source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, P.R. China; Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China
Qing-Shan Wang
School of Energy Source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, P.R. China; Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China
Qi-Lin Chen
School of Energy Source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, P.R. China; Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China
Ning-Zhi Yang
School of Energy Source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, P.R. China; Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China
Chen-Zi Lu
School of Energy Source and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, P.R. China; Shanghai Engineering Research Center of Power Generation Environment Protection, Shanghai, P.R. China

Corresponding Author(s) : Rui-Tang Guo

grta@zju.edu.cn

Asian Journal of Chemistry, Vol. 27 No. 4 (2015): Vol 27 Issue 4

Abstract

Lead has been proved to have deactivation effect on selective catalytic reduction (SCR) catalyst. The poisoning effect of lead doping on MnWOx catalyst for selective catalytic reduction of NO by NH3 was investigated in this paper. It was found that the MnWOx catalyst was observed to be seriously poisoned by the doping of lead. As can be seen from the characterization results of BET, H2-TPR, NH3-TPD and XPS, the decativation of MnWOx catalyst by lead doping should be resulted from the decreased surface area and defects, redox ability, surface acidity and surface chemisorbed oxygen.

Keywords

Selective catalyst reduction MnWOx Catalyst Lead Deactivation
Pan, W.-G., Zhang, Q., Guo, R.-T., Zhen, W.-L., Ding, H.-L., Wang, Q.-S., … Lu, C.-Z. (2015). Poisoning Effect of Lead Doping on MnWOx Catalysts for Selective Catalytic Reduction of NO by NH3. Asian Journal of Chemistry, 27(4), 1421–1423. https://doi.org/10.14233/ajchem.2015.18080
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