Removal of NOx and soot over Ce/Zr/K/Me (Me = Fe, Pt, Ru, Au) oxide catalysts
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- 作者：Roberto Matarresea ; Sara Morandib ; Lidia Castoldia ; Pierluigi Villac ; Luca Liettia ; luca.lietti@polimi.it" class="auth_mail" title="E-mail the corresponding author
- 关键词：Soot oxidation ; Combined soot and NOx removal ; Ceria/Zirconia ; Ruthenium ; FT-IR spectroscopy
- 刊名：Applied Catalysis B: Environmental
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：201
- 期：Complete
- 页码：318-330
- 全文大小：1437 K
文摘
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Novel ceria/zirconia based catalysts for soot oxidation and removal of NOx.
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CZ formulations promote soot oxidation at temperatures below 300 °C.
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Ru-based samples show high NOx storage capacity and soot oxidation capability.
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NOx reduction efficiency increases when CZKRu is mixed with Pt-K/Al2O3.
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Ru activation by H2 spillover from Pt.