Influence of the nature and environment of cobalt on the catalytic activity of Co-BEA zeolites in selective catalytic reduction of NO with ammonia
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- 作者：Rafal Barana ; b ; c ; Jean-Marc Krafftb ; c ; Thomas Onfroyb ; c ; Teresa Grzybeka ; Stanislaw Dzwigajb ; c ; stanislaw.dzwigaj@upmc.fr" class="auth_mail" title="E-mail the corresponding author
- 关键词：Cobalt ; BEA ; Postsynthesis ; SCR of NO ; NH3
- 刊名：Microporous and Mesoporous Materials
- 出版年：2016
- 出版时间：1 May 2016
- 年：2016
- 卷：225
- 期：Complete
- 页码：515-523
- 全文大小：2121 K
文摘
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Co was incorporated in the framework of BEA by a two-step postsynthesis method.
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Isolated framework mononuclear Co(II) led to creation of new Lewis acidic sites.
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CoSiBEA catalysts with framework cobalt(II) were active sites of SCR of NO.
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Cobalt oxide in extra-framework position was responsible for ammonia oxidation.