Low-temperature CO oxidation on Ag/ZSM-5 catalysts: Influence of Si/Al ratio and redox pretreatments on formation of silver active sites
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- 作者：E. Kolobovaa ; A. Pestryakova ; pestryakov2005@yandex.ru" class="auth_mail" title="E-mail the corresponding author ; G. Mamontovb ; Yu. Kotolevichc ; N. Bogdanchikovac ; M. Fariasc ; A. Vosmerikovd ; L. Vosmerikovad ; V. Cortes Corberane
- 关键词：Low temperature CO oxidation ; Silver catalysts ; ZSM-5 ; Si/Al ratio ; Effect of pretreatments
- 刊名：Fuel
- 出版年：2017
- 出版时间：15 January 2017
- 年：2017
- 卷：188
- 期：Complete
- 页码：121-131
- 全文大小：1330 K
文摘
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Cationic Ag+ and Agnδ+ species are active sites in low temperature CO oxidation.
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An appropriate Si/Al ratio is essential for CO oxidation over supported Ag catalyst.
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Broensted acidity of zeolite correlates with the catalyst activity.
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Consecutive oxidizing and reducing pretreatments promote catalytic activity.
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Ag/ZSM-5 (80) catalyst displayed the highest activity in CO oxidation.
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