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19 June 2024 Efficient dehydration of fructose to 5-Hydroxymethylfurfural through triazolium-type ionic liquids
Jun-Yu Li, Yu-Qi Cui, Si-Hua Liu, Jian-Ke Sun
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Proceedings Volume 13172, Ninth International Symposium on Energy Science and Chemical Engineering (ISESCE 2024) ; 131720X (2024) https://doi.org/10.1117/12.3032461
Event: 9th International Symposium on Energy Science and Chemical Engineering, 2024, Nanjing, China
Abstract
The dehydration of D-fructose to 5-Hydroxymethylfurfural for producing fluid fuels and enhanced-value chemicals had obtained considerable attention. Here, we synthesized the Brønsted-acidic ionic liquids and evaluated the catalytic efficiency in terms of the dehydration of D-fructose. The influence of various factors such as catalyst type, solvents, reaction time, and temperature on the dehydration reaction was investigated. 110 °C, 100 min and Dimethyl sulfoxide (DMSO) as reaction solvents are the best condition for dehydration reactions, achieving a 90% yield of HMF. Notably, the triazolium-based ionic liquids (Tri-ILs) exhibited superior catalytic activity outperforming imidazolium-based ionic liquids (Imi-ILs) under the identical condition. The more acidic C5-H caused by the substitute of carbon by the electron-withdrawing nitrogen atom leaded to the improvement of catalytic performance.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Jun-Yu Li, Yu-Qi Cui, Si-Hua Liu, and Jian-Ke Sun "Efficient dehydration of fructose to 5-Hydroxymethylfurfural through triazolium-type ionic liquids", Proc. SPIE 13172, Ninth International Symposium on Energy Science and Chemical Engineering (ISESCE 2024) , 131720X (19 June 2024); https://doi.org/10.1117/12.3032461
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KEYWORDS
Liquids
Biomass
Chemical species
Chemistry
Temperature metrology
Vacuum
Yield improvement
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