Comparative study of the poisoning effect of NaCl and Na2O on selective catalytic reduction of NO with NH3 over V2O5-WO3/TiO2 catalyst |
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| Authors: | Yuanmeng Tian Jian Yang Chen Yang Fan Lin Guang Hu Ming Kong Qingcai Liu |
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| Affiliation: | College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, China |
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| Abstract: | V2O5-WO3/TiO2 catalyst has been widely used in industry. Alkali metals would cause the deactivation of V2O5-WO3/TiO2 catalyst. In this paper, the poisoning deactivation of NaCl and Na2O on V2O5-WO3/TiO2 catalyst was compared. The properties of the catalysts were characterized by BET, XPS, H2-TPR, NH3-TPD and in situ DRIFTS. It was found the addition of NaCl, Na2O affected the structure, redox properties and acid sites of V2O5-WO3/TiO2 catalyst. Na+ would react with V | |
| Keywords: | Corresponding author. Poisoning Denitration |
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