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.
CITATION STYLE
Ziwei, W., Hao, S., Yizhen, C., Ben, L., Yaowei, X., Wanxia, W., … Lei, W. (2023, November 6). Thermal, photonic, and electrocatalysis in lignin depolymerization research. RSC Advances. Royal Society of Chemistry. https://doi.org/10.1039/d3ra06880c
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