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Influence of the incorporation of basic or amphoteric oxides on the performance of Cu-based catalysts supported on sepiolite in furfural hydrogenation

AuthorsGuerrero-Torres, Antonio; Jiménez-Gómez, Carmen P.; Cecilia, Juan Antonio; García-Sancho, Cristina; Quirante-Sánchez, José J.; Mérida-Robles, Josefa M.; Maireles-Torres, Pedro
KeywordsCu catalysts
Metal oxide
Supported sepiolite
Furfural hydrogenation
Issue Date2019
PublisherMultidisciplinary Digital Publishing Institute
CitationCatalysts 9 (2019)
AbstractEN] Cu-based catalysts supported on sepiolite have been tested in vapor-phase hydrogenation of furfural. The incorporation of basic or amphoteric metal oxides (magnesium oxide, zinc oxide, or cerium oxide) improves the catalytic behavior, reaching a maximum furfural conversion above 80% after 5 h of reaction at 210 °C. In all cases, the main product is furfuryl alcohol, obtaining 2-methylfuran in lower proportions. The incorporation of these metal oxide species ameliorates the dispersion of metallic Cu nanoparticles, increasing the number of available Cu0-sites, which enhances the catalytic performance. The presence of acid sites favors the hydrogenolysis of furfuryl alcohol towards 2-methylfuran, although it also causes an increase of carbon species on its surface, which is associated with the catalytic deactivation of the catalyst along the time-on-stream.
Publisher version (URL)http://dx.doi.org/10.3390/catal9040315
Identifiersdoi: 10.3390/catal9040315
issn: 2073-4344
Appears in Collections:(ICP) Artículos
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