Polar aprotic solvent-water mixture as the medium for catalytic production of hydroxymethylfurfural (HMF) from bread waste

Iris K M Yu; Daniel C W Tsang; Season S Chen; Lei Wang; Andrew J Hunt; James Sherwood; Karine De Oliveira Vigier; François Jérôme; Yong Sik Ok; Chi Sun Poon

doi:10.1016/j.biortech.2017.08.170

Polar aprotic solvent-water mixture as the medium for catalytic production of hydroxymethylfurfural (HMF) from bread waste

Iris K M Yu, Daniel C W Tsang, Season S Chen, Lei Wang, Andrew J Hunt, James Sherwood, Karine De Oliveira Vigier, François Jérôme, Yong Sik Ok, Chi Sun Poon

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

Abstract

Valorisation of bread waste for hydroxymethylfurfural (HMF) synthesis was examined in dimethyl sulfoxide (DMSO)-, tetrahydrofuran (THF)-, acetonitrile (ACN)-, and acetone-water (1:1v/v), under heating at 140°C with SnCl4 as the catalyst. The overall rate of the process was the fastest in ACN/H2O and acetone/H2O, followed by DMSO/H2O and THF/H2O due to the rate-limiting glucose isomerisation. However, the formation of levulinic acid (via rehydration) and humins (via polymerisation) was more significant in ACN/H2O and acetone/H2O. The constant HMF maxima (26-27mol%) in ACN/H2O, acetone/H2O, and DMSO/H2O indicated that the rates of desirable reactions (starch hydrolysis, glucose isomerisation, and fructose dehydration) relative to undesirable pathways (HMF rehydration and polymerisation) were comparable among these mediums. They also demonstrated higher selectivity towards HMF production over the side reactions than THF/H2O. This study differentiated the effects of polar aprotic solvent-water mediums on simultaneous pathways during biomass conversion.

Original language	English
Pages (from-to)	456-462
Number of pages	7
Journal	BIORESOURCE TECHNOLOGY
Volume	245
Issue number	Pt A
Early online date	1 Sept 2017
DOIs	https://doi.org/10.1016/j.biortech.2017.08.170
Publication status	E-pub ahead of print - 1 Sept 2017

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Journal Article

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10.1016/j.biortech.2017.08.170

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Yu, I. K. M., Tsang, D. C. W., Chen, S. S., Wang, L., Hunt, A. J., Sherwood, J., De Oliveira Vigier, K., Jérôme, F., Ok, Y. S., & Poon, C. S. (2017). Polar aprotic solvent-water mixture as the medium for catalytic production of hydroxymethylfurfural (HMF) from bread waste. BIORESOURCE TECHNOLOGY, 245(Pt A), 456-462. Advance online publication. https://doi.org/10.1016/j.biortech.2017.08.170

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abstract = "Valorisation of bread waste for hydroxymethylfurfural (HMF) synthesis was examined in dimethyl sulfoxide (DMSO)-, tetrahydrofuran (THF)-, acetonitrile (ACN)-, and acetone-water (1:1v/v), under heating at 140°C with SnCl4 as the catalyst. The overall rate of the process was the fastest in ACN/H2O and acetone/H2O, followed by DMSO/H2O and THF/H2O due to the rate-limiting glucose isomerisation. However, the formation of levulinic acid (via rehydration) and humins (via polymerisation) was more significant in ACN/H2O and acetone/H2O. The constant HMF maxima (26-27mol%) in ACN/H2O, acetone/H2O, and DMSO/H2O indicated that the rates of desirable reactions (starch hydrolysis, glucose isomerisation, and fructose dehydration) relative to undesirable pathways (HMF rehydration and polymerisation) were comparable among these mediums. They also demonstrated higher selectivity towards HMF production over the side reactions than THF/H2O. This study differentiated the effects of polar aprotic solvent-water mediums on simultaneous pathways during biomass conversion.",

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AU - Wang, Lei

AU - Hunt, Andrew J

AU - Sherwood, James

AU - De Oliveira Vigier, Karine

AU - Jérôme, François

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AU - Poon, Chi Sun

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AB - Valorisation of bread waste for hydroxymethylfurfural (HMF) synthesis was examined in dimethyl sulfoxide (DMSO)-, tetrahydrofuran (THF)-, acetonitrile (ACN)-, and acetone-water (1:1v/v), under heating at 140°C with SnCl4 as the catalyst. The overall rate of the process was the fastest in ACN/H2O and acetone/H2O, followed by DMSO/H2O and THF/H2O due to the rate-limiting glucose isomerisation. However, the formation of levulinic acid (via rehydration) and humins (via polymerisation) was more significant in ACN/H2O and acetone/H2O. The constant HMF maxima (26-27mol%) in ACN/H2O, acetone/H2O, and DMSO/H2O indicated that the rates of desirable reactions (starch hydrolysis, glucose isomerisation, and fructose dehydration) relative to undesirable pathways (HMF rehydration and polymerisation) were comparable among these mediums. They also demonstrated higher selectivity towards HMF production over the side reactions than THF/H2O. This study differentiated the effects of polar aprotic solvent-water mediums on simultaneous pathways during biomass conversion.

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