Yuan Qi, Liu Shan, Ma Ming-Guo, Ji Xing-Xiang, Choi Sun-Eun, Si Chuanling
Engineering Research Center of Forestry Biomass Materials and Bioenergy, Research Center of Biomass Clean Utilization, Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing, China.
State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China.
Front Chem. 2021 Nov 18;9:781291. doi: 10.3389/fchem.2021.781291. eCollection 2021.
The kinetics studies is of great importance for the understanding of the mechanism of hemicellulose pyrolysis and expanding the applications of hemicellulose. In the past years, rapid progress has been paid on the kinetics studies of hemicellulose hydrolysis. In this article, we first introduced the hydrolysis of hemicelluloses various strategies such as autohydrolysis, dilute acid hydrolysis, catalytic hydrolysis, and enzymatic hydrolysis. Then, the history of kinetic models during hemicellulose hydrolysis was summarized. Special attention was paid to the oligosaccharides as intermediates or substrates, acid as catalyst, and thermogravimetric as analyzer method during the hemicellulose hydrolysis. Furthermore, the problems and suggestions of kinetic models during hemicellulose hydrolysis was provided. It expected that this article will favor the understanding of the mechanism of hemicellulose pyrolysis.
动力学研究对于理解半纤维素热解机理和拓展半纤维素的应用具有重要意义。在过去几年中，半纤维素水解的动力学研究取得了快速进展。在本文中，我们首先介绍了半纤维素的水解，包括自水解、稀酸水解、催化水解和酶水解等各种策略。然后，总结了半纤维素水解过程中动力学模型的发展历程。特别关注了半纤维素水解过程中作为中间体或底物的低聚糖、作为催化剂的酸以及作为分析方法的热重分析法。此外，还提出了半纤维素水解动力学模型存在的问题及建议。期望本文将有助于对半纤维素热解机理的理解。
