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Updated: Apr 28, 2026
Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield
Published on: January 7, 2019
Research advances in enzyme mimetic catalysts for lignin conversion
Yuting Liu1, Xiangyu Li1, Junyou Shi1
1Key Laboratory of Wooden, Materials Science and Engineering of Jilin Province, Beihua University, Jilin City, Jilin Province 132013, China.
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Lignin's complex structure poses challenges for its efficient conversion into valuable chemicals. Enzyme-mimetic catalysts, which operate under mild conditions with high efficiency akin to natural enzymes, offer a promising solution. This review systematically summarizes the design strategies of enzyme-mimicking catalysts, their applications in lignin depolymerization and functionalization, catalytic mechanisms, and green chemistry advantages. It covers their synthetic methods, characterization, and performance in multiphase solvents, while critically evaluating their recyclability, stability, and deactivation mechanisms. Key hurdles for industrial application, such as balancing activity with selectivity, adapting to diverse lignin feedstocks, and facilitating catalyst recovery, are discussed. Finally, future research directions are outlined to advance the development of high-value lignin conversion technologies and their scalable deployment.
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