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Potential use of deep eutectic solvents to facilitate lignocellulosic biomass utilization and conversion

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Abstract

High reliance on crude oil for energy consumption results in the urgent need to explore and develop alternative renewable sources. One of the most promising routes is the transformation of biomass into biofuels and chemicals. The introduction of deep eutectic solvents in 2004 received a considerable amount of attention across different research fields, particularly in biomass processing. The effectiveness of deep eutectic solvents in breaking down the recalcitrant structure in biomass highlights its impact on the transformation of biomass into various value-added products. In addition, deep eutectic solvents are widely regarded as promising “green” solvents due to their low cost, low toxicity, and biodegradable properties. In this paper, some background information on lignocellulosic biomass and deep eutectic solvents is given. Furthermore, the roles of deep eutectic solvents in biomass processing are discussed, focusing on the impacts of deep eutectic solvents on the selectivity of chemical processes and dissolution of biomass. This review also highlights the advantages and limitations of deep eutectic solvents associated with their usage in biomass valorization.

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Acknowledgments

The authors would like to thank the Department of Higher Education, Ministry of Education Malaysia, for sponsoring this study under Fundamental Research Grant Scheme of FRGS/1/2016/WAB01/MUSM/02/2. In addition, the authors would like to thank Monash University Malaysia for providing Y.-L. Loow with a Master’s scholarship. Also, the authors would like to thank School of Engineering for providing UROP to E.K. New, G.H. Yang and L.Y.W. Foo an early opportunity to undergo a research experience at Monash University Malaysia.

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Loow, YL., New, E.K., Yang, G.H. et al. Potential use of deep eutectic solvents to facilitate lignocellulosic biomass utilization and conversion. Cellulose 24, 3591–3618 (2017). https://doi.org/10.1007/s10570-017-1358-y

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