The reaction pathways of 5-hydroxymethylfurfural conversion in a continuous flow reactor using copper catalysts

Bao Chen; Xin Li; Peng Rui; Yuewen Ye; Tongqi Ye; Rulong Zhou; Dongdong Li; James H. Carter; Graham J. Hutchings

doi:10.1039/D1CY02197D

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The reaction pathways of 5-hydroxymethylfurfural conversion in a continuous flow reactor using copper catalysts†

Bao Chen,^a Xin Li,^a Peng Rui,^a Yuewen Ye,

^a Tongqi Ye,*^a Rulong Zhou,

^b Dongdong Li,^b James H. Carter

*^c and Graham J. Hutchings

Author affiliations

* Corresponding authors

^a School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, P.R. China
E-mail: yetq@hfut.edu.cn

^b School of Materials Science and Engineering, Hefei University of Technology, Hefei, Anhui, P.R. China

^c Max Planck-Cardiff Centre on the Fundamentals of Heterogeneous Catalysis FUNCAT, Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, UK
E-mail: carterj5@cf.ac.uk

Abstract

The transformation of 5-hydroxymethylfurfural is investigated using supported and bulk copper oxide catalysts. We show that the selectivity to 5-methylfuraldehyde or 2,5-diformylfuran can be controlled by the solvent and the carrier gas. The use of water as the solvent and N₂ as the carrier gas led to the highest conversion and most selective pathway to 2,5-diformylfuran. Quasi in situ X-ray photoelectron spectroscopy and H₂-TPR measurements revealed that H₂O can re-oxidise Cu, significantly enhancing the selectivity to 5-methylfuraldehyde. Subsequent density functional theory calculations revealed more precisely the role of water in the reaction mechanism.

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Article information

DOI: https://doi.org/10.1039/D1CY02197D
Article type: Paper
Submitted: 03 Dec 2021
Accepted: 27 Mar 2022
First published: 30 Mar 2022
This article is Open Access

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Catal. Sci. Technol., 2022,12, 3016-3027

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The reaction pathways of 5-hydroxymethylfurfural conversion in a continuous flow reactor using copper catalysts

B. Chen, X. Li, P. Rui, Y. Ye, T. Ye, R. Zhou, D. Li, J. H. Carter and G. J. Hutchings, Catal. Sci. Technol., 2022, 12, 3016 DOI: 10.1039/D1CY02197D

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Catalysis Science & Technology

The reaction pathways of 5-hydroxymethylfurfural conversion in a continuous flow reactor using copper catalysts†

Abstract

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The reaction pathways of 5-hydroxymethylfurfural conversion in a continuous flow reactor using copper catalysts

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