木质纤维生物质半纤维素分子模拟应用研究进展

doi:10.3969/j.issn.1673-5854.2022.03.008

生物质化学工程 ›› 2022, Vol. 56 ›› Issue (3): 47-58.doi: 10.3969/j.issn.1673-5854.2022.03.008

木质纤维生物质半纤维素分子模拟应用研究进展

林琦璇¹, 刘昕昕¹, 李理波², 彭锋³, 任俊莉¹^,*()

1. 华南理工大学轻工科学与工程学院，制浆造纸工程国家重点实验室，广东广州 510640
2. 华南理工大学化学与化工学院，广东广州 510640
3. 北京林业大学材料科学与技术学院，北京 100083

收稿日期:2021-03-12 出版日期:2022-05-30 发布日期:2022-05-21
通讯作者: 任俊莉 E-mail:renjunli@scut.edu.cn
作者简介:任俊莉，教授，博士生导师，研究领域：木质纤维高效利用的基础研究；E-mail: renjunli@scut.edu.cn
林琦璇(1992—)，女，广东揭阳人，助理研究员，博士，从事半纤维素小分子转化与分子动力学模拟方面的研究
基金资助:
国家自然科学基金资助项目(21978104);华南理工大学制浆造纸工程国家重点实验室开放基金项目(202106);科技基础资源调查专项(2019FY100900)

Research Progress of Molecular Simulation Application of Biomass Hemicellulose

Qixuan LIN¹, Xinxin LIU¹, Libo LI², Feng PENG³, Junli REN¹^,*()

1. State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China
2. School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
3. College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China

Received:2021-03-12 Online:2022-05-30 Published:2022-05-21
Contact: Junli REN E-mail:renjunli@scut.edu.cn

摘要/Abstract

摘要：

木质纤维生物质资源是重要的可再生生物质资源，主要包含纤维素、半纤维素和木质素。半纤维素含量仅次于纤维素，是一种丰富、可再生的植物资源，其可水解制备重要化学品以及改性制备多功能材料。本文综述了生物质半纤维素分子模拟应用研究进展，从半纤维素大分子形态及其与纤维素结合方式的分子模拟研究和半纤维素制备化学品及材料的分子模拟研究2个方面进行阐述，从模拟结果可以看出半纤维素在细胞壁中与纤维素和木质素的相互作用及其本身的大分子形态对木质纤维生物质三大素的提取利用具有显著影响。分子模拟有利于理解过程机理，对反应效率的提高具有重要理论指导意义。最后对分子模拟在半纤维素研究的发展应用进行了展望，指出目前半纤维素分子模拟的空白领域，主要包括半纤维素液化生产生物油、木糖异构化生产木酮糖、半纤维素与木质素之间的结合方式以及其他的半纤维素基材料等，这些有待进一步的探索与研究。

关键词: 木聚糖, 木葡聚糖, 热解, 液化, 气化

Abstract:

Biomass is important renewable resources, mainly containing cellulose, hemicellulose, and lignin. Hemicellulose is the second most abundant component in plant cell walls, and it can be hydrolyzed to prepare important chemicals and modified to prepare multifunctional materials. This article reviews the research progress of molecular simulation of biomass hemicellulose, including the molecular simulation study of the morphology of hemicellulose macromolecules and its binding mode to cellulose, and the molecular simulation research on the preparation of chemicals and materials from hemicellulose. It can be concluded that the interaction of hemicellulose with cellulose and lignin in the cell wall and its macromolecular morphology have significant influence on the extraction and utilization of cellulose, hemicellulose, and lignin. Molecular simulation is helpful to understand the process mechanism and has important theoretical guiding significance for the improvement of reaction efficiency. Finally, the development and application of molecular simulation in hemicellulose research are prospected. The blank areas of hemicellulose molecular simulation are pointed out, mainly including the production of bio-oil by hemicellulose liquefaction, xylose isomerization to produce xylulose, the binding interaction between hemicellulose and lignin, and other hemicellulose-based materials, which requires further exploration and research.

Key words: xylan, xyloglucan, pyrolysis, liquefaction, gasification

中图分类号:

TQ35
S216.2

林琦璇, 刘昕昕, 李理波, 彭锋, 任俊莉. 木质纤维生物质半纤维素分子模拟应用研究进展[J]. 生物质化学工程, 2022, 56(3): 47-58.

Qixuan LIN, Xinxin LIU, Libo LI, Feng PENG, Junli REN. Research Progress of Molecular Simulation Application of Biomass Hemicellulose[J]. Biomass Chemical Engineering, 2022, 56(3): 47-58.

图/表 9

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木质纤维生物质半纤维素分子模拟应用研究进展

Research Progress of Molecular Simulation Application of Biomass Hemicellulose

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