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Chemistry and Industry of Forest Products ›› 2021, Vol. 41 ›› Issue (4): 124-134.doi: 10.3969/j.issn.0253-2417.2021.04.016

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Research Progress in Inhibiting Repolymerization of Lignin Degradation Intermediates

Mengzhu LI, Ting WANG()   

  1. College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, China
  • Received:2020-08-14 Online:2021-08-28 Published:2021-08-31
  • Contact: Ting WANG E-mail:thundersking@nefu.edu.cn


The degradation of lignin is freguently accompanied by the repolymerization of its intermediates, which increases the difficulty of further degradation and seriously affects the degradation efficiency of lignin. Therefore, effectively inhibiting the repolymerization of intermediates is the key to improve the degradation efficiency of lignin. Inhibiting repolymerization can achieve the purpose of inhibiting polymerization by changing the reaction path or reaction environment of the lignin degradation system. From the perspective of inhibiting or reducing lignin repolymerization, the thesis summarized three effective methods to increase the degradation rate of lignin by adding inhibitors to the reaction system, shortening the reaction residence time and providing a mild reaction environment.

Key words: lignin, repolymerization, inhibitor, degradation efficiency

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