Numerical simulation of low-concentration CO<sub>2</sub> adsorption on fixed bed using finite element analysis

Yonghou Xiao; Shuang Qiu; Qidong Zhao; Yuhao Zhu; Chirag B. Godiya; Gaohong He

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Numerical simulation of low-concentration CO₂ adsorption on fixed bed using finite element analysis

Separation Science and Engineering | Updated：2026-01-06

- Numerical simulation of low-concentration CO₂ adsorption on fixed bed using finite element analysis
- Chinese Journal of Chemical Engineering Vol. 36, Issue 8, Pages: 47-56(2021)
- Affiliations：
  
  1. Panjin Institute of Industrial Technology, Dalian University of Technology,Panjin,China,124221
  2. State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology,Panjin,China,124221
  3. Supercomputing Center, Dalian University of Technology,Dalian,China,116000
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2021
- Accepted：
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adsorption on fixed bed using finite element analysis[J]. 中国化学工程学报, 2021, 36(8): 47-56.
DOI：

adsorption on fixed bed using finite element analysis[J]. 中国化学工程学报, 2021, 36(8): 47-56. DOI：

摘要

Abstract

Accurately predicting distributions of concentration and temperature field in fixed-bed column is essential for designing adsorption processes. In this study

a two-dimensional (2D)

axisymmetric

nonisothermal

dynamic adsorption model was established by coupling equations of mass

momentum and energy balance

and solved by finite element analysis. The simulation breakthrough curves fit well with the low-concentration CO

adsorption experimental data

indicating the reliability of the established model. The distributions of concentration and temperature field in the column for CO

adsorption and separation from CO

were obtained. The sensitivity analysis of the adsorption conditions shows that the operation parameters such as feed flow rate

feed concentration

pellet size

and column height-to-diameter ratio produce a significant effect on the dynamic adsorption performance. The multi-physics coupled 2D axisymmetric model could provide a theoretical foundation and guidance for designing CO

fixed-bed adsorption and separation processes

which could be extended to other mixed gases as well.

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Numerical simulation of low-concentration CO2 adsorption on fixed bed using finite element analysis

DOI：

摘要

Abstract

关键词

Keywords

references

Numerical simulation of low-concentration CO₂ adsorption on fixed bed using finite element analysis