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Type: Artigo de periódico
Title: On the activity and hydrothermal stability of CuMCM-22 in the decomposition of nitrogen oxides: a comparison with CuZSM-5
Author: Palella, BI
Pirone, R
Russo, G
Albuquerque, A
Pastore, HO
Cadoni, M
Frache, A
Marchese, L
Abstract: A combined spectroscopic and catalytic study on the activity and hydrothermal stability of copper-exchanged MCM-22 and ZSM-5 zeolites is reported; CuMCM-22 is active in the decomposition of NO and N2O also in the presence of water, whereas CuZSM-5 deactivates rapidly upon steaming. CO adsorption on fresh and steamed samples enlightened that the copper active species are more stable on CuMCM-22. (C) 2004 Elsevier B.V. All rights reserved.
Subject: N2O decomposition
hydrothermal stability
FTIR CO adsorption
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.catcom.2004.01.003
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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