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Type: Artigo de periódico
Title: Selective Catalytic Oxidation Of Co In H2 Over Copper-exchanged Zeolites
Author: Tachard I.
C.B. da Silva A.
Argolo F.
M.O. Brito S.
O. Pastore H.
M.C. Andrade H.
J.S. Mascarenhas A.
Abstract: Copper-exchanged zeolites were investigated as catalysts for the selective catalytic oxidation of CO in H2 rich feeds. Three different zeolitic topologies were chosen: MFI, MWW and FAU. Under dry conditions the following order of activity in conversion of CO to CO2 was observed: Cu-ZSM-5 > Cu-Y > Cu-MCM-22. However, under wet conditions (H2O/CO = 3.0) and stoichiometric CO/O2 ratio of 1:0.5, Cu-ZSM-5 has presented a better performance than commercial 0.5 wt Pt/Al2O3. By-products, such as methane or methanol, were not detected in the reaction effluents. © 2007 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/S0167-2991(07)80131-5
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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