Issue 46, 2023

Thermal, photonic, and electrocatalysis in lignin depolymerization research

Abstract

In order to realize a sustainable bio-based future, it is essential to fully harness the potential of biomass, including lignin – a readily available biopolymer that ranks second in abundance and serves as a renewable source of aromatics. While lignin has traditionally been used for lower-value applications like fuel and power generation, unlocking its higher-value potential through diverse conversion and upgrading techniques is of paramount importance. This review focuses on the catalytic conversion of lignin, with a specific emphasis on selective depolymerization, a process that not only supports economically and environmentally sustainable biorefineries but also aligns with Green Chemistry principles, mitigating adverse environmental impacts. Furthermore, we provide a comprehensive discussion of reaction pathways and mechanisms, including C–O and C–C bond cleavage, among different catalysts. Lastly, we analyze and briefly discuss the prospects of rational catalyst design in biomass valorization.

Graphical abstract: Thermal, photonic, and electrocatalysis in lignin depolymerization research

Article information

Article type
Review Article
Submitted
10 Okt. 2023
Accepted
31 Okt. 2023
First published
06 Nov. 2023
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2023,13, 32627-32640

Thermal, photonic, and electrocatalysis in lignin depolymerization research

W. Ziwei, S. Hao, C. Yizhen, L. Ben, X. Yaowei, W. Wanxia, W. Kaiyue, L. Mengheng, G. Li and W. Lei, RSC Adv., 2023, 13, 32627 DOI: 10.1039/D3RA06880C

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