Structure-reactivity relationships in VOx/CexZr1−xO2 catalysts used for low-temperature NH3-SCR of NO
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- 作者：Thanh Huyen Vuong ; Jö ; rg Radnik ; Evgenii Kondratenko ; Matthias Schneider ; Udo Armbruster ; Angelika Brü ; ckner ; angelika.brueckner@catalysis.de" class="auth_mail" title="E-mail the corresponding author
- 关键词：Supported V2O5 on CeO2 ; ZrO2 and CexZr1&minus ; xO2 catalysts ; NH3-SCR of NO ; In situ-UV&ndash ; vis-DRS ; In situ-EPR ; Pseudo-in situ-XPS
- 刊名：Applied Catalysis B: Environmental
- 出版年：2016
- 出版时间：15 November 2016
- 年：2016
- 卷：197
- 期：Complete
- 页码：159-167
- 全文大小：1810 K
文摘
- •
5% V2O5/CexZr1−xO2 catalyze NH3-SCR of NO with highest GHSV at T ≤ 200 °C.
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Most active sites are
OCeOV(O)OZrO surface moieties.- •
V5+/V4+ and/or V4+/V3+ but no Ce4+/Ce3+ redox cycles are passed.