Structural optimization of a settler <i>via</i> CFD simulation in a mixer-settler

Sishi Ye; Qiao Tang; Yundong Wang; Weiyang Fei

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Structural optimization of a settler via CFD simulation in a mixer-settler

Fluid Dynamics and Transport Phenomena | Updated：2026-01-06

- Structural optimization of a settler via CFD simulation in a mixer-settler
- Chinese Journal of Chemical Engineering Vol. 28, Issue 4, Pages: 995-1015(2020)
- Affiliations：
  
  1. The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University,Beijing,China,100084
  2. SINOPEC Research Institute of Petroleum Processing,Beijing,China,100083
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2020
- Accepted：
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CFD simulation in a mixer-settler[J]. 中国化学工程学报, 2020, 28(4): 995-1015.
DOI：

CFD simulation in a mixer-settler[J]. 中国化学工程学报, 2020, 28(4): 995-1015. DOI：

摘要

Abstract

This work is aimed at optimizing a settler structure in a mixer-settler. Two different aspects have been considered. Firstly

the flowcharacteristics of a settler have been examined by computational fluid dynamics (CFD) simulation with various agitation speeds of the mixer

as well as organic phase volume fractions ranging from 0.075 to 0.6. The aqueous and organic phase turbulent flow fields were measured by particle image velocimetry (PIV) technique to verify the CFD simulation. Two organic phases with different physical properties were assessed in the CFD simulation to simulate the liquid-liquid systems related to rare earth element extraction

i.e

0.072 mol·L

-1

P507/kerosene and 1.8 mol·L

-1

P507/kerosene. Secondly

the CFD simulation was carried out in a settler equipped with baffles. The effects of number and location of the baffle in the settler on flow features and entrainments of the aqueous and organic outlet were analyzed. Meanwhile

different settler/mixer volume ratios were also examined. By analyses and comparisons

an optimal design for settler was proposed. CFD can provide a significant guidance to better mixer-settler design.

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⁰

Structural optimization of a settler via CFD simulation in a mixer-settler

DOI：

摘要

Abstract

关键词

Keywords

references