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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metadata.dc.type:	Artigo de Periódico
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
Otros títulos :	Brazilian Journal of Chemical Engineering
Autor :	Figueiredo, R. T. Andrade, Heloysa Martins Carvalho Fierro, J. L. G.
metadata.dc.creator:	Figueiredo, R. T. Andrade, Heloysa Martins Carvalho Fierro, J. L. G.
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.
Palabras clave :	Copper-zinc-aluminum catalysts Catalyst preparation Catalyst characterization Copper surface species Structure-activity relationship Water-gas shift reaction
URI :	http://www.repositorio.ufba.br/ri/handle/ri/6896
Fecha de publicación :	jun-1998
Aparece en las colecciones:	Artigo Publicado em Periódico (Química)

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