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Research Progress of Deep Eutectic Solvent in Lignocellulose Pretreatment to Promote Enzymatic Hydrolysis Efficiency

  • CHEN Xin-dong ,
  • XIONG Lian ,
  • LI Hai-long ,
  • CHEN Xin-de
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  • 1. Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;
    2. CAS Key Laboratory of Renewable Energy, Guangzhou 510640, China;
    3. Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China;
    4. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2019-04-29

  Revised date: 2019-05-21

  Online published: 2019-10-29

Abstract

As a new type of solvent which is friendly to environment, deep eutectic solvent can efficiently remove the lignin from lignocellulose while retaining most of the cellulose. In addition, deep eutectic solvent has the characteristics of simple preparation, non-toxicity and recyclability, which shows great industrial application potential in lignocellulosic biorefinery for the production of fuels and chemicals. In this review, the types and properties of deep eutectic solvent were introduced in detail. The effects of deep eutectic solvent types and reaction conditions on the physicochemical structures of cellulose, hemicellulose and lignin were summarized. Furthermore, the mechanisms of promoting enzymatic hydrolysis by deep eutectic solvent pretreatment were reviewed and discussed. Finally, according to the existing problems of deep eutectic solvent, the idea of rational design and recycling utilization of deep eutectic solvent based on the structural characteristics of lignocellulose and corresponding pretreatment purpose was put forward to realize low-cost pretreatment and high value utilization of lignocellulose.

Cite this article

CHEN Xin-dong , XIONG Lian , LI Hai-long , CHEN Xin-de . Research Progress of Deep Eutectic Solvent in Lignocellulose Pretreatment to Promote Enzymatic Hydrolysis Efficiency[J]. Advances in New and Renewable Energy, 2019 , 7(5) : 415 -422 . DOI: 10.3969/j.issn.2095-560X.2019.05.005

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