锂盐体系中生物质高效转化及利用研究进展

doi:10.3969/j.issn.1673-5854.2023.04.009

摘要/Abstract

摘要：

传统工艺在木质纤维生物质的转化利用中表现出较低的效率, 极大地限制了生物质资源的高值化利用, 而锂盐溶剂体系在木质纤维的高效转化及应用中显示出巨大潜力。本文介绍了锂盐溶剂体系的性质, 综述了锂盐溶剂体系在木质纤维类生物质转化及利用过程中的研究进展, 重点分析了在纤维素衍生物的制备、葡萄糖的高效转化、平台化合物的制备和生物炭的制备上的作用。同时, 归纳了目前锂盐溶剂体系下木质纤维利用存在的问题, 并对未来的研究方向提出了建议。

关键词: 锂盐水合物, 木质纤维, 绿色溶剂

Abstract:

The traditional process showed low efficiency in the conversion and utilization of lignocellulosic biomass, which greatly limited the high-value utilization of bioresources. The lithium salts had exhibited great potential in efficient conversion and application of lignocellulose. In this paper, the system properties of lithium salt solvents were introduced. The research progress of lithium salt solvent systems in the conversion and utilization of lignocellulosic biomass was reviewed, and effects on the preparation of cellulose derivatives, high efficient conversion of glucose, preparation of platform compounds and biochar was emphatically analyzed. Meanwhile, the problems existing in the utilization of lignocellulose in lithium salt solvent system were summarized, and the future research direction was suggested.

Key words: lithium salt hydrate, lignocellulose, green solvent

中图分类号:

TQ35

陈建, 庞志强, 卢宪芹, 吉海瑞, 董翠华. 锂盐体系中生物质高效转化及利用研究进展[J]. 生物质化学工程, 2023, 57(4): 71-78.

Jian CHEN, Zhiqiang PANG, Xianqin LU, Hairui JI, Cuihua DONG. Efficient Conversion and Application of Biomass in Lithium Salt System[J]. Biomass Chemical Engineering, 2023, 57(4): 71-78.

图/表 3

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锂盐溶剂lithium salt solvent	原料feedstock	主要产物main product	文献reference
LiCl/DMAC	纤维素cellulose	纤维素凝胶cellulose gel	[23]
LiCl/HCl	纤维素cellulose	葡萄糖glucose	[24]
LiClO₄/NaOH	纤维素cellulose	纤维素导电薄膜cellulose electric membrane	[25]
LiSCN·2H₂O	纤维素cellulose	葡萄糖glucose	[26]
LiBr/H₂SO₄	纤维素cellulose	葡萄糖glucose	[27]
LiBr	纤维素cellulose	杂化纤维素气凝胶hybrid cellulose aerogel	[28]
LiBr/CH₃OH	纤维素cellulose	纤维素-壳聚糖泡沫cellulose-chitosan foams	[29]
LiBr	纤维素cellulose	纤维素薄膜cellulose membrane	[30]
LiCl/DMAC	玉米秸秆corn stalk	纤维素薄膜cellulose membrane	[31]
LiCl/DMAC	玉米秸秆corn stalk	纳米纤维素nanocellulose	[32]
LiBr/HCl	木质纤维lignocellulose	生物炭biochar	[33]
LiBr/HBr	木质纤维lignocellulose	糠醛furfural	[34]

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