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Issue 19, 2016
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Niobic acid nanoparticle catalysts for the aqueous phase transformation of glucose and fructose to 5-hydroxymethylfurfural

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Abstract

A family of bulk and SBA-15 supported peroxo niobic acid sols were prepared by peptisation of niobic acid precipitates with H2O2 as heterogeneous catalysts for aqueous phase glucose and fructose conversion to 5-hydroxymethylfurfural (5-HMF). Niobic acid nanoparticles possess a high density of Brønsted and Lewis acid sites, conferring good activity towards glucose and fructose conversion, albeit with modest 5-HMF yields under mild reaction conditions (100 °C). Thermally-induced niobia crystallisation suppresses solid acidity and activity. Nanoparticulate niobic acid dispersed over SBA-15 exhibits pure Brønsted acidity and an enhanced Turnover Frequency for fructose dehydration.

Graphical abstract: Niobic acid nanoparticle catalysts for the aqueous phase transformation of glucose and fructose to 5-hydroxymethylfurfural

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Supplementary files

Article information


Submitted
25 May 2016
Accepted
08 Aug 2016
First published
09 Aug 2016

This article is Open Access

Catal. Sci. Technol., 2016,6, 7334-7341
Article type
Paper

Niobic acid nanoparticle catalysts for the aqueous phase transformation of glucose and fructose to 5-hydroxymethylfurfural

M. T. Reche, A. Osatiashtiani, L. J. Durndell, M. A. Isaacs, Â. Silva, A. F. Lee and K. Wilson, Catal. Sci. Technol., 2016, 6, 7334
DOI: 10.1039/C6CY01129B

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