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

Mariano Tapia Reche; Amin Osatiashtiani; Lee J. Durndell; Mark A. Isaacs; Ângela Silva; Adam F. Lee; Karen Wilson

doi:10.1039/c6cy01129b

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

Mariano Tapia Reche, Amin Osatiashtiani, Lee J. Durndell, Mark A. Isaacs, Ângela Silva, Adam F. Lee, Karen Wilson^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Pages (from-to)	7334-7341
Number of pages	8
Journal	Catalysis Science and Technology
Volume	6
Issue number	19
Early online date	9 Aug 2016
DOIs	https://doi.org/10.1039/c6cy01129b
Publication status	Published - 7 Oct 2016

Bibliographical note

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.

Funding: EPSRC (EP/K014706/1, EP/K000616/2, EP/K014676/1 and EP/K014749/1); and the Royal Society and British Council Global Innovation Initiative for GB3-Net.

Electronic supplementary information (ESI) available: Additional structural
and reactivity data. See DOI: 10.1039/c6cy01129b

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10.1039/c6cy01129bLicence: CC BY 3.0

Aqueous phase transformation of glucose and fructose to 5-hydroxymethylfurfural
This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Final published version, 1.62 MBLicence: CC BY 3.0

http://pubs.rsc.org/en/Content/ArticleLanding/2016/CY/C6CY01129B#!divAbstractLicence: CC BY 3.0

Cite this

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

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 Br{\o}nsted 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 Br{\o}nsted acidity and an enhanced Turnover Frequency for fructose dehydration.",

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AU - Durndell, Lee J.

AU - Isaacs, Mark A.

AU - Silva, Ângela

AU - Lee, Adam F.

AU - Wilson, Karen

N1 - This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. Funding: EPSRC (EP/K014706/1, EP/K000616/2, EP/K014676/1 and EP/K014749/1); and the Royal Society and British Council Global Innovation Initiative for GB3-Net. Electronic supplementary information (ESI) available: Additional structural and reactivity data. See DOI: 10.1039/c6cy01129b

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AB - 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.

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

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

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

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

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