The Role of the Coprecipitation Sequence of Salt Precursors on the Genesis of Cu-ZnO-Al2O3 Catalysts. Synthesis, Characterization and Activity for Low Temperature Shift Reaction

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Título:	The Role of the Coprecipitation Sequence of Salt Precursors on the Genesis of Cu-ZnO-Al2O3 Catalysts. Synthesis, Characterization and Activity for Low Temperature Shift Reaction
Autor:	Figueiredo, R. T.; Andrade, H. M. C.; García Fierro, José Luis CSIC ORCID
Palabras clave:	Copper-zinc-aluminum catalysts Catalyst preparation Catalyst characterization Copper surface species Structure-activity relationship Water-gas shift reaction
Fecha de publicación:	jun-1998
Editor:	Associação Brasileira de Engenharia Química
Citación:	Brazilian Journal of Chemical Engineering 1998, vol. 15, no. 2
Resumen:	Cu-ZnO-Al2O3 catalysts for the low-temperature water-gas shift reaction were prepared using methods of direct and reverse coprecipitation. The catalysts obtained were characterized by DRX, TPR, XPS, N2O chemisorption, Hg-Porosimetry and BET surface area. It was observed that the precipitation sequence of the precursors led to significant differences in values of copper dispersion and consequently in the activity of the catalyst for the water-gas shift reaction.
URI:	http://hdl.handle.net/10261/2175
ISSN:	0104-6632 (versión impresa)
Aparece en las colecciones:	(ICP) Artículos