Bifunctional SO4/ZrO2 catalysts for 5-hydroxymethylfufural (5-HMF) production from glucose

Amin Osatiashtiani; Adam F. Lee; D. Robert Brown; Juan A. Melero; Gabriel Morales; Karen Wilson

doi:10.1039/c3cy00409k

Bifunctional SO₄/ZrO₂ catalysts for 5-hydroxymethylfufural (5-HMF) production from glucose

Amin Osatiashtiani, Adam F. Lee, D. Robert Brown, Juan A. Melero, Gabriel Morales, Karen Wilson

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

Abstract

The telescopic conversion of glucose to fructose and then 5-hydroxymethylfurfural (5-HMF), the latter a potential, bio-derived platform chemical feedstock, has been explored over a family of bifunctional sulfated zirconia catalysts possessing tuneable acid-base properties. Characterisation by acid-base titration, XPS, XRD and Raman reveal that submonolayer SO₄ coverages offer the ideal balance of basic and Lewis-Brønsted acid sites required to respectively isomerise glucose to fructose, and subsequently dehydrate fructose to 5-HMF. A constant acid site normalised turnover frequency is observed for fructose dehydration to 5-HMF, confirming a common Brønsted acid site is responsible for this transformation. This journal is

Original language	English
Pages (from-to)	333-342
Number of pages	10
Journal	Catalysis Science and Technology
Volume	4
Issue number	2
Early online date	15 Aug 2013
DOIs	https://doi.org/10.1039/c3cy00409k
Publication status	Published - 1 Feb 2014

Bibliographical note

Funding: EPSRC (EP/K000616/1); MEL Chemicals for the supply of Zr(OH) 4; Royal Society for the award of an Industry Fellowship; EPSRC for a Leadership Fellowship (EP/G007594/2); Spanish Ministry of Economy and Competitiveness (project CTQ2011-28216-C02-01).

Electronic Supplementary Information: Porosimetry, tables of
product data from catalytic reactions. See DOI: 10.1039/c3cy00409k

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abstract = "The telescopic conversion of glucose to fructose and then 5-hydroxymethylfurfural (5-HMF), the latter a potential, bio-derived platform chemical feedstock, has been explored over a family of bifunctional sulfated zirconia catalysts possessing tuneable acid-base properties. Characterisation by acid-base titration, XPS, XRD and Raman reveal that submonolayer SO4 coverages offer the ideal balance of basic and Lewis-Br{\o}nsted acid sites required to respectively isomerise glucose to fructose, and subsequently dehydrate fructose to 5-HMF. A constant acid site normalised turnover frequency is observed for fructose dehydration to 5-HMF, confirming a common Br{\o}nsted acid site is responsible for this transformation. This journal is",

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AU - Morales, Gabriel

AU - Wilson, Karen

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Bifunctional SO₄/ZrO₂ catalysts for 5-hydroxymethylfufural (5-HMF) production from glucose

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