Computational fluid dynamics-discrete element method simulation of stirred tank reactor for graphene production

Shuaishuai Zhou; Jing Li; Kaixiang Pang; Chunxi Lu; Feng Zhu; Congzhen Qiao; Yajie Tian; Jingwei Zhang

doi:10.1016/j.cjche.2023.06.005

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Computational fluid dynamics-discrete element method simulation of stirred tank reactor for graphene production

Full Length Article | Updated：2026-01-06

- Computational fluid dynamics-discrete element method simulation of stirred tank reactor for graphene production
- Chinese Journal of Chemical Engineering Vol. 64, Issue 12, Pages: 196-207(2023)
- Affiliations：
  
  1. College of Chemistry and Molecular Sciences, Henan University,Kaifeng,China,475004
  2. National & Local Joint Engineering Research Center for Applied Technology of Hybrid Nanomaterials, Henan University,Kaifeng,China,475004
  3. Department of State Key Laboratory of Heavy Oil Processing, China University of Petroleum,Beijing,China,102249
  4. Zhejiang Luoxing Chemical Co., Ltd,Jiaxing,China,314001
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2023.06.005
  CLC：
- Published：2023
- Accepted：
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Shuaishuai Zhou, Jing Li, Kaixiang Pang, Chunxi Lu, Feng Zhu, Congzhen Qiao, Yajie Tian, Jingwei Zhang. Computational fluid dynamics-discrete element method simulation of stirred tank reactor for graphene production[J]. Chinese Journal of Chemical Engineering, 2023, 64(12): 196-207.
DOI：

Shuaishuai Zhou, Jing Li, Kaixiang Pang, Chunxi Lu, Feng Zhu, Congzhen Qiao, Yajie Tian, Jingwei Zhang. Computational fluid dynamics-discrete element method simulation of stirred tank reactor for graphene production[J]. Chinese Journal of Chemical Engineering, 2023, 64(12): 196-207. DOI： 10.1016/j.cjche.2023.06.005.

摘要

Abstract

Liquid phase exfoliation (LPE) process for graphene production is usually carried out in stirred tank reactor and the interactions between the solvent and the graphite particles are important as to improve the production efficiency. In this paper

these interactions were revealed by computational fluid dynamics–discrete element method (CFD-DEM) method. Based on simulation results

both liquid phase flow hydrodynamics and particle motion behavior have been analyzed

which gave the general information of the multiphase flow behavior inside the stirred tank reactor as to graphene production. By calculating the threshold at the beginning of graphite exfoliation process

the shear force from the slip velocity was determined as the active force. These results can support the optimization of the graphene production process.

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