Research on process modeling and simulation of spent lead paste desulfurization enhanced reactor

Lijuan Zhao; Zhe Tan; Xiaoguang Zhang; Qijun Zhang; Wei Wang; Qiang Deng; Jie Ma; De'an Pan

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Research on process modeling and simulation of spent lead paste desulfurization enhanced reactor

Full Length Article | Updated：2026-01-06

- Research on process modeling and simulation of spent lead paste desulfurization enhanced reactor
- Chinese Journal of Chemical Engineering Vol. 60, Issue 8, Pages: 293-303(2023)
- Affiliations：
  
  1. Institute of Circular Economy, Beijing University of Technology,Beijing,China,100124
  2. Faculty of Materials and Manufacturing, Beijing University of Technology,Beijing,China,100124
  3. China Ecological Civilization Research and Promotion Association,Beijing,China,100035
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2023
- Accepted：
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Lijuan Zhao, Zhe Tan, Xiaoguang Zhang, Qijun Zhang, Wei Wang, Qiang Deng, Jie Ma, De'an Pan. Research on process modeling and simulation of spent lead paste desulfurization enhanced reactor[J]. Chinese Journal of Chemical Engineering, 2023, 60(8): 293-303.
DOI：

Lijuan Zhao, Zhe Tan, Xiaoguang Zhang, Qijun Zhang, Wei Wang, Qiang Deng, Jie Ma, De'an Pan. Research on process modeling and simulation of spent lead paste desulfurization enhanced reactor[J]. Chinese Journal of Chemical Engineering, 2023, 60(8): 293-303. DOI：

摘要

Abstract

In the reaction process of carbonate desulfurization lead paste

the produced PbCO

is easily wrapped in the outer periphery of PbSO

to form a product layer

hindering the mass transfer process. Therefore

it is necessary to break the PbCO

product layer. In this work

the rotor stator-reinforced reactor was selected as the enhanced desulfurization reactor for the purpose of breaking the PbCO

product layer and promoting mass transfer. The breakage process of the PbCO

product layer generated during the PbSO

desulfurization was modeled. Computational fluid dynamics simulation to the rotation conditions was carried out to theoretically analyze the fluid flow characteristics of PbSO

slurry and the wall shear stress affecting the breakage of PbCO

product layer. By optimizing the rotation conditions

the distribution ratio of effective rotor wall shear stress range achieved 96.1%

and the stator wall shear stress range reached 99.15% under a rotation of 2000 r·min

-1

. The research work provides a reference for analysis of the mechanism of product layer breakage in the PbSO

desulfurization process

and gives a clea

r and intuitive systematic study on the fluid flow characteristics and wall shear stress of the desulfurization reactor.

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