Simulation study on the gasification process of Ningdong coal with iron-based oxygen carrier

Fei Xie; Mei An; Ping Li; Xiude Hu; Hongcun Bai; Qingjie Guo

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Simulation study on the gasification process of Ningdong coal with iron-based oxygen carrier

Energy Science and Technology | Updated：2026-01-06

- Simulation study on the gasification process of Ningdong coal with iron-based oxygen carrier
- Chinese Journal of Chemical Engineering Vol. 29, Issue 1, Pages: 326-334(2021)
- Affiliations：
  
  State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University,Yinchuan,China,750021
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2021
- Accepted：
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Fei Xie, Mei An, Ping Li, Xiude Hu, Hongcun Bai, Qingjie Guo. Simulation study on the gasification process of Ningdong coal with iron-based oxygen carrier[J]. Chinese Journal of Chemical Engineering, 2021, 29(1): 326-334.
DOI：

Fei Xie, Mei An, Ping Li, Xiude Hu, Hongcun Bai, Qingjie Guo. Simulation study on the gasification process of Ningdong coal with iron-based oxygen carrier[J]. Chinese Journal of Chemical Engineering, 2021, 29(1): 326-334. DOI：

摘要

Abstract

Chemical looping gasification (CLG) of Ningdong coal by using Fe

as the oxygen carriers (OCs) was studied

and the gasification characteristics were obtained. A computation fluid dynamics (CFD) model based on Eulerian‐-Lagrangian multiphase framework was established

and a numerical simulation the coal chemical looping gasification processes in fuel reactor (FR) was investigated. In addition

the heterogeneous reactions

homogeneous reactions and Fe

oxygen carriers' reduction reactions were considered in the gasification process. The characteristics of gas flow and gasification in the FR were analyzed and it was found that the experiment results were consistent with the simulation values. The results show that when the O/C mole rate was 0.5:1

the gasification temperature was 900 ℃ and the water vapor volume flow rate was 2.2 ml·min

-1

the mole fraction of syngas reached a maximum value of the experimental result and simulation value were 71.5% and 70.2%

respectively. When the O/C mole rate was 0.5:1

the gasification temperature was 900 ℃

and the water vapor volume flow was 1.8 ml·min

-1

; the gasification efficiency reached the maxim

um value was 62.2%

and the maximum carbon conversion rate was 84.0%.

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