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Recent advances in biorefineries based on lignin extraction using deep eutectic solvents: A review
Date
2023
Abstract
Considering the urgent need for alternative biorefinery schemes based on sustainable development, this review aims to summarize the state-of-the-art in the use of deep eutectic solvent pretreatment to fractionate lignocellulose, with a focus on lignin recovery. For that, the key parameters influencing the process are discussed, as well as various strategies to enhance this pretreatment efficiency are explored. Moreover, this review describes the challenges and opportunities associated with the valorization of extraction-derived streams and highlights recent advancements in solvent recovery techniques. Furthermore, the utilization of computational models for process design and optimization is introduced, as the initial attempts at the economic and environmental assessment of this lignocellulosic bioprocess based on deep eutectic solvents. Overall, this review offers a comprehensive perspective on the recent advances in this emerging field and serves as a foundation for further research on the potential integration of deep eutectic pretreatment in sustainable multi-product biorefinery schemes.
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Description
Publisher
Elsevier
Citation
Bioresource Technology, 2023, 388, 129744
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Del_Rio_2023_Recent.pdf
Adobe PDF, 1.04 MB
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Funding Information
This study was supported by MINECO (Spain) (project PID2019- 110031RB-I00 and TED2021-132088B-I00) and Xunta de Galicia through the contract ED431C 2021/46-GRC to Competitive Reference Group BV1, and Project Excelencia-ED431F 2022/09 k251. The authors would like to express gratitude to the MINECO for the FPI doctoral grant of A.L.R. (PRE 2020 093359), JDLC grant of P.F.-S. (FJC2021-046978-I), RYC grant of A.R. and B.G. (RYC2020-030690-I and RYC2018-026177-I, respectively) and to Xunta de Galicia for the postdoctoral grant of P.G.R. (ED481B-2022-020). The authors are grateful to the University of Vigo and CISUG for the financial support of Open Access publication.