Recent advances in hydrotropic solvent systems for lignocellulosic biomass utilization,Green Chemistry

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Recent advances in hydrotropic solvent systems for lignocellulosic biomass utilization
Green Chemistry ( IF 9.3 ) Pub Date : 2023-11-29 , DOI: 10.1039/d3gc03309k
Soyeon Jeong ₁ , Jiae Ryu ₁ , Qiang Yang ₂ , J. Y. Zhu ₃ , Chang Geun Yoo _{1,

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Affiliation

In deconstructing lignocellulosic biomass, processing solvents directly and indirectly influence the process efficiency by reducing recalcitrance, fractionating target components, preserving/modifying biomass components, etc. Hydrotropic solvents have shown effective biomass fractionation performance due to their unique amphiphilic structure. In particular, these hydrotropes effectively separate lignin from the cellulose-rich fraction with minimum modification and maximum recovery, which aligns well with the biorefinery strategy by enhancing the recovered lignin quality and quantity. Hydrotropic solvent functions as a catalyst in biomass fractionation/degradation and also as a solvent via aggregation and clustering for the dissolution of target components such as lignin. Moreover, this solvent approach has great potential in eco-friendly manufacturing in plant biomass utilization because of aqueous processing. In this review, chemical structure, amphiphilicity, roles and mechanism of hydrotropic solvents are discussed along with their recent applications in plant biomass utilization. Current challenges in their industrial applications and perspectives on the direction of future research directions are presented.

中文翻译：

用于木质纤维素生物质利用的水溶溶剂系统的最新进展

在解构木质纤维素生物质时，加工溶剂通过减少不顺从、分馏目标成分、保存/改性生物质成分等直接和间接影响加工效率。水溶溶剂由于其独特的两亲结构而显示出有效的生物质分馏性能。特别是，这些水溶助长剂以最小的改性和最大的回收率有效地将木质素从富含纤维素的部分中分离出来，这通过提高回收的木质素的质量和数量与生物精炼策略非常吻合。水溶溶剂在生物质分馏/降解中充当催化剂，并且还通过聚集和聚集作为溶剂来溶解木质素等目标成分。此外，由于水处理，这种溶剂方法在植物生物质利用的环保制造方面具有巨大潜力。在这篇综述中，讨论了水溶溶剂的化学结构、两亲性、作用和机制以及它们在植物生物质利用中的最新应用。介绍了其工业应用当前面临的挑战以及对未来研究方向的展望。

更新日期：2023-11-29

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