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| Review on Metal Salt-based Pretreatment for the Separation of Lignocellulosic Biomass |
| Received:March 14, 2024 Revised:April 22, 2024 |
| DOI：10.11981/j.issn.1000-6842.2025.01.11 |
| Key Words:metal salt;lignocellulosic biomass;pretreatment;separation;valorization |
| Fund Project:国家自然科学基金青年项目（22208309）；衢州市科技计划项目（2022Z07，2023Z002）；浙江省尖兵领雁项目（2022C01234，2023C03157）；浙江理工大学科研业务费专项资金（24202098-Y）。 |
| Author Name | Affiliation | Postcode | | GUO Guixin | State Key Lab of Bio-based Fiber Materials， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 | 310018 | | LI Yinzheng | State Key Lab of Bio-based Fiber Materials， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 | 310018 | | YANG Zheng* | State Key Lab of Bio-based Fiber Materials， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 | 310018 | | CHEN Tianying | State Key Lab of Bio-based Fiber Materials， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 | 310018 |
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| Abstract: |
| As the most abundant renewable resource in nature， lignocellulosic biomass can be converted into clean energy， functional materials and a variety of high value-added platform chemicals. However， the dense structure of lignocellulose leads to low conversion efficiency and utilization ratio due to natural anti-degradation propertied. Pretreatment is an effective technology to overcome its anti-degradation barrier of lignocellulosic biomass， among which metal salt-based pretreatment has garnered significant attention due to its unique mechanism of action and various existence forms. This paper provided a comprehensive review on metal salt-based pretreatment system in different existence forms based on the concept of holomorphic utilization of components. The focus was on molten salt hydrate， dilute solution systems， low eutectic solvents and catalytic metal salts， and their pretreatment efficacy in synergy with other aids. From the perspective of green chemistry， the development of metal salt-based pretreatment systems was prospected， providing a theoretical support for the construction of efficient and clean lignocellulosic biomass high-value utilization technology. |
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