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Structuring Pt/CeO2/Al2O3 WGS catalyst: Introduction of buffer layer

 

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Opened Access Structuring Pt/CeO2/Al2O3 WGS catalyst: Introduction of buffer layer
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Author: González Castaño, Míriam
Ivanova, Svetlana
Laguna Espitia, Oscar Hernando
Martínez Tejada, Leidy Marcela
Centeno Gallego, Miguel Ángel
Odriozola Gordón, José Antonio
Department: Universidad de Sevilla. Departamento de Química Inorgánica
Date: 2016
Published in: Applied Catalysis B, Environmental, 200, 420-427.
Document type: Article
Abstract: This work is devoted to the development of novel structured catalytic system for WGS reaction. The new concept is related to the presence of a pre-catalytic “buffer” layer formed by WGS-inert oxide, i.e. not involved in CO conversion, but able to increase the number of participating sites in water dissociation step during the reaction. The performance of the proposed systems appears to depend strongly on the stream composition, being its effect beneficial in highly reducing atmospheres making it ideal for clean-up application. An increment of the partial kinetic order for water species is observed and reveals the key role of the water activation for superior catalytic behavior.
Cite: González Castaño, M., Ivanova, S., Laguna Espitia, O.H., Martínez Tejada, L.M., Centeno Gallego, M.Á. y Odriozola Gordón, J.A. (2016). Structuring Pt/CeO2/Al2O3 WGS catalyst: Introduction of buffer layer. Applied Catalysis B, Environmental, 200, 420-427.
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URI: https://hdl.handle.net/11441/80304

DOI: 10.1016/j.apcatb.2016.07.039

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