Comprehensive Review of Recent Trends in the Use of Deep Eutectic Solvents for the Valorization of Secondary Lignocellulosic Biomass


Toleugazykyzy A. Bekbayev K. Bolkenov B. Alwazeer D. Rskeldiyev B. Kuterbekov K. Bekmyrza K. Kabyshev A. Kubenova M. Opakhai S.
November 2025Multidisciplinary Digital Publishing Institute (MDPI)

Sustainability (Switzerland)
2025#17Issue 21

Conventional solvents remain the most used media for lignocellulosic biomass valorization. However, these solvents exhibit many limitations and have a negative environmental impact. In the last decade, Deep Eutectic Solvents (DESs) have emerged as a multifaceted tool in biomass valorization, with a promising perspective in the application of lignocellulosic biomass valorization. DESs have gained attention in the last decade as an alternative solvent in biomass valorization and biorefinery processes due to their high efficiency; eco-friendliness; low cost; and numerous other advantages, such as recyclability, non-volatility, and stability. This paper discusses the latest research on the potential applications of DESs in the valorization of secondary lignocellulosic biomass.

catalytic conversion processes , deep eutectic solvents , extraction , lignocellulosic biomass , pretreatment , valorization

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Department of Food Technology and Processing Products, Technical Faculty, S. Seifullin Kazakh Agortechnical University, Astana, 010011, Kazakhstan
Department of Technological Equipment, Shakarim University, Semey, 071410, Kazakhstan
Department of Nutrition and Dietetics, Faculty of Health Sciences, Igdir University, Igdir, 760000, Turkey
Department of Food Technology, Almaty Technological University, Almaty, 050012, Kazakhstan
Faculty of Transport and Energy, L.N. Gumilev, Eurasian National University, Astana, 010008, Kazakhstan

Department of Food Technology and Processing Products
Department of Technological Equipment
Department of Nutrition and Dietetics
Department of Food Technology
Faculty of Transport and Energy

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