Transformation of lignin into value-added products via thermal cracking, electrolysis and photolysis

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES Advanced Composites and Hybrid Materials Pub Date : 2024-10-23 DOI:10.1007/s42114-024-01008-z

Qian Ma, Xiangmeng Chen, Chen Li, Su Shiung Lam, Anoud Saud Alshammari, Salah M. El-Bahy, Mingwan Li, Zeinhom M. El-Bahy, Wanxi Peng, Dangquan Zhang

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Abstract

As a rich and renewable polymer, lignin is difficult to fully utilise like cellulose and hemicellulose due to its complex structure. Therefore, using modern technology to modify the structure of lignin is effective into starting materials. Catalytic degradation is currently a promising method for the valuable lignin products, which can provide highly functionalized monomers and oligomers as other materials, realise the development of lignin resources, make lignin a high value-added product, and provide the possibility of replacing fossil fuels in the chemical and pharmaceutical industries, which is benefit to the circular economy in the future. Here, we conclude the nanocatalytic modification methods of lignin, including biocatalysts, electrocatalysts, and photocatalysts, and briefly discuss the reaction mechanism of the catalytic process, with a focus on the effective decomposition of lignin into organic solutions and small molecule complexes in thermal cracking reactions. This review provides a reference for the study of the value of lignin in various applications.

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通过热裂解、电解和光解将木质素转化为高附加值产品

作为一种丰富的可再生聚合物，木质素因其复杂的结构很难像纤维素和半纤维素一样被充分利用。因此，利用现代技术改造木质素的结构可以有效地将其转化为起始材料。催化降解是目前获得有价值的木质素产品的一种有前景的方法，它可以提供高功能化的单体和低聚物作为其他材料，实现木质素资源的开发，使木质素成为高附加值产品，并为化工和医药行业替代化石燃料提供可能，有利于未来循环经济的发展。在此，我们总结了木质素的纳米催化改性方法，包括生物催化剂、电催化剂和光催化剂，并简要讨论了催化过程的反应机理，重点介绍了在热裂解反应中将木质素有效分解成有机溶液和小分子复合物的方法。这篇综述为研究木质素在各种应用中的价值提供了参考。

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.