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W-Nb-O oxides with tunable acid properties as efficient catalysts for the transformation of biomass-derived oxygenates in aqueous systems

Abstract

W-Nb-O oxide bronzes, prepared hydrothermally, have been characterized and studied as catalysts for both the gas phase dehydration of glycerol and the liquid phase selective condensation of light oxygenates derived from primary treatments of biomass (a mixture containing acetic acid, ethanol, propanal, hydroxyacetone and water). By controlling the nominal composition of the catalysts it is possible to tune up their textural and acid properties (concentration and nature of acid sites) to selectively produce acrolein from glycerol or C5-C10 hydrocarbons (with low O contents) and in high yields) from light oxygenates. Interestingly, these catalysts are stable when working in gas phase reaction and they are re-usable, with high resistance to leaching, when working in aqueous media.

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Publication details

The article was received on 22 Feb 2019, accepted on 03 May 2019 and first published on 06 May 2019


Article type: Paper
DOI: 10.1039/C9CY00367C
Catal. Sci. Technol., 2019, Accepted Manuscript

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    W-Nb-O oxides with tunable acid properties as efficient catalysts for the transformation of biomass-derived oxygenates in aqueous systems

    D. Delgado, A. Fernández-Arroyo, M. E. Domine, E. Garcia-Gonzalez and J. M. Lopez Nieto, Catal. Sci. Technol., 2019, Accepted Manuscript , DOI: 10.1039/C9CY00367C

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