Experimental and CFD Studies on the Performance of Microfiltration Enhanced by a Turbulence Promoter

刘元法; 贺高红; 丁路辉; 窦红; 鞠佳; 李保军

doi:10.1016/S1004-9541(11)60226-7

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Experimental and CFD Studies on the Performance of Microfiltration Enhanced by a Turbulence Promoter

Updated：2026-01-06

- Experimental and CFD Studies on the Performance of Microfiltration Enhanced by a Turbulence Promoter
- Chinese Journal of Chemical Engineering Vol. 20, Issue 4, Pages: 617-624(2012)
- Affiliations：
  
  1. State Key Laboratory of Fine Chemicals, R&D Center of Membrane Science and Technology, School of Chemical Engineering, Dalian University of Technology,Dalian,China,116012
  2. Department of Biological Engineering, University of Technology of Compiegne, Compiegne,France,60205
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(11)60226-7
  CLC：
- Published：2012
- Accepted：
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LIU Yuanfa, HE Gaohong, DING Luhui, DOU Hong, JU Jia, LI Baojun. Experimental and CFD Studies on the Performance of Microfiltration Enhanced by a Turbulence Promoter[J]. Chin.J.Chem.Eng., 2012, 20(4): 617-624.
DOI：

LIU Yuanfa, HE Gaohong, DING Luhui, DOU Hong, JU Jia, LI Baojun. Experimental and CFD Studies on the Performance of Microfiltration Enhanced by a Turbulence Promoter[J]. Chin.J.Chem.Eng., 2012, 20(4): 617-624. DOI： 10.1016/S1004-9541(11)60226-7.

摘要

Abstract

This paper reports experimental and computational fluid dynamics(CFD) studies on the performance of microfiltration enhanced by a helical screw insert.The experimental results show that the use of turbulence pro-moter can improve the permeate flux of membrane in the crossflow microfiltration of calcium carbonate suspension

and flux improvement efficiency is strongly influenced by operation conditions.The energy consumption analysis indicates that the enhanced membrane system is more energy saving at higher feed concentrations.To explore the intrinsic mechanism of flux enhancement by a helical screw insert

three-dimensional CFD simulation of fluid flow was implemented.It reveals that hydrodynamic characteristics of fluid flow inside the channel are entirely changed by the turbulence promoter.The rotational flow pattern increases the scouring effect on the tube wall

reducing the particle deposition on the membrane surface.The absence of stagnant regions and high wall shear stress are respon-sible for the enhanced filtration performance.No secondary flow is generated in the channel

owing to the streamline shape of helical screw insert

so that the enhanced performance is achieved at relatively low energy consumption.

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