Comparison of MoO3 and WO3 on arsenic poisoning V2O5/TiO2 catalyst: DRIFTS and DFT study
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- 作者：Yue Penga ; b ; Wenzhe Sia ; Xiang Lia ; Jinming Luob ; Junhua Lia ; lijunhua@tsinghua.edu.cn" class="auth_mail" title="E-mail the corresponding author ; John Crittendenb ; john.crittenden@ce.gatech.edu" class="auth_mail" title="E-mail the corresponding author ; Jiming Haoa
- 关键词：SCR catalyst ; Arsenic resistance ; MoO3 ; DRIFTS ; DFT
- 刊名：Applied Catalysis B: Environmental
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：181
- 期：Complete
- 页码：692-698
- 全文大小：1995 K
文摘
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Arsenic decrease number of Lewis and strength of Brønsted acid sites.
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NH3 adsorbed on As–OH sites shows low activity.
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Improvement of MoO3 is due to the good dispersion.
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Mo–O–Mo and Mo = O groups provide higher reactivity than WO3 does.
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