Advancing circular economy: Biorefinery of agri-waste via green multicomponent deep eutectic solvent pretreatment

IF 5.6 1区农林科学 Q1 AGRICULTURAL ENGINEERING Industrial Crops and Products Pub Date : 2025-02-11 DOI:10.1016/j.indcrop.2025.120673

Han Gao , Jinliu Xiao , Yun Wang , Yunkai Yu , Junzhang Wu , Jian Zhang , Zhiwei Wang , Shuangfei Wang , Qingliu Luo

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Abstract

An effective, economical, and eco-friendly pretreatment of lignocellulosic biomass is crucial for advancing biorefinery as a sustainable solution to fossil fuel scarcity and to support a circular economy. This study introduces a multifunctional deep eutectic solvent (multi-DES) system, created by combining analog volatile fatty acids (analog-VFAs) as hydrogen bond donors with choline chloride, to pretreat agricultural waste (agri-waste) and facilitate the production of nano-lignocellulose materials. The multi-DES pretreatment was optimized for varying durations and temperatures, achieving a maximum lignin removal rate of 74.1 % at 150 °C over 3 h. Subsequent ball milling yielded high-quality lignocellulosic nanofibers (LCNFs) with widths ranging from 10 to 15 nm and exhibiting excellent thermal stability and mechanical properties. A life cycle assessment (LCA) confirmed the environmental benefits and practical viability of this biorefinery process. This approach effectively upgrades agri-waste into valuable LCNFs, enhancing biomass utilization with minimal environmental impact, and advancing the competitiveness of biorefineries.

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来源期刊

Industrial Crops and Products 农林科学-农业工程

CiteScore

9.50

自引率

8.50%

发文量

1518

审稿时长

43 days

期刊介绍： Industrial Crops and Products is an International Journal publishing academic and industrial research on industrial (defined as non-food/non-feed) crops and products. Papers concern both crop-oriented and bio-based materials from crops-oriented research, and should be of interest to an international audience, hypothesis driven, and where comparisons are made statistics performed.