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基于格子玻尔兹曼方法的纤维素水解制备5-羟甲基糠醛的液膜催化模型

Liquid membrane catalytic model of hydrolyzing cellulose into 5-hydroxymethylfurfural based on the lattice Boltzmann method.

作者信息

Mei Qun, Wei Xiangqian, Sun Weitao, Zhang Xinghua, Li Wenzhi, Ma Longlong

机构信息

Laboratory of Basic Research in Biomass Conversion and Utilization, Department of Thermal Science and Energy Engineering, University of Science and Technology of China Hefei 230026 PR China

CAS Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences Guangzhou 510640 PR China

出版信息

RSC Adv. 2019 Apr 25;9(23):12846-12853. doi: 10.1039/c9ra02090j.

DOI:10.1039/c9ra02090j
PMID:35520814
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9063758/
Abstract

Conversion of cellulose to 5-hydroxymethylfurfural (HMF) is an important means of biomass utilization. However, simulation of hydrolysis of cellulose and species transport in multiphase systems is still missing. In this paper, a multiphase lattice Boltzmann method of the Shan-Chen model has been applied for simulating the complex chemical reactions and interphase mass transfer in a liquid membrane catalytic reactor. For the sake of simplification, a single particle liquid membrane catalytic model is developed to simulate the hydrolysis of cellulose into HMF and its side reactions, which include the adsorption of cellulose particles on the liquid membrane, the complex chemical reactions inside the liquid membrane and the interphase transfer of HMF. This simulation presents the results of hydrolysis of cellulose and the HMF transport process. Additionally, the results show that the thinner liquid membrane thickness is beneficial for increasing the yield of HMF.

摘要

将纤维素转化为5-羟甲基糠醛（HMF）是生物质利用的重要手段。然而，纤维素水解和多相系统中物质传输的模拟仍然缺失。本文采用Shan-Chen模型的多相格子玻尔兹曼方法，模拟液膜催化反应器中的复杂化学反应和相间传质。为简化起见，建立了单颗粒液膜催化模型，以模拟纤维素水解生成HMF及其副反应，包括纤维素颗粒在液膜上的吸附、液膜内的复杂化学反应以及HMF的相间传递。该模拟给出了纤维素水解和HMF传输过程的结果。此外，结果表明，较薄的液膜厚度有利于提高HMF的产率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba64/9063758/4a5c3964af56/c9ra02090j-f12.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba64/9063758/fab808363f28/c9ra02090j-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba64/9063758/dff4e4dbb3f6/c9ra02090j-f10.jpg
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