This paper presents a fluid dynamic-based approach to the prediction of the flux decline due to partial and complete pore blocking in the microfiltration process. The electrostatic force model includes both particle–particle (PP) and particle–membrane (PM) electrostatic forces. The addition of such forces was shown to affect particle trajectories in a tortuous three-dimensional microfilter membrane geometry. The model was validated by comparing experimental flux decline data with simulation flux decline data. A design of experiments was conducted to investigate the effects of transmembrane pressure, PM- and PP-zeta potential on flux decline. The simulation experiments revealed that low flux decline was associated with relatively low transmembrane pressures and near-zero values of PP- and PM-zeta potential; and relatively high transmembrane pressures and more-negative values of PP- and PM-zeta potential. The amount of flux decline was shown to be correlated to the specific nature of partial and complete pore blocking in the pore structure.
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Department of Mechanical Science
and Engineering,
Urbana, IL 61801
e-mail: yu59@illinois.edu
Department of Mechanical Science
and Engineering,
Urbana, IL 61801
e-mail: sgkapoor@illinois.edu
Department of Mechanical Science
and Engineering,
Urbana, IL 61801
e-mail: redevor@illinois.edu
School of Engineering,
Saint Paul, MN 55105
e-mail: went2252@stthomas.edu
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June 2014
Research-Article
Investigation of Flux Decline in Tortuous Pore Structures via Three-Dimensional Simulation of Cross-Flow Microfilter Fouling
Bingyi Yu,
Department of Mechanical Science
and Engineering,
Urbana, IL 61801
e-mail: yu59@illinois.edu
Bingyi Yu
University of Illinois at Urbana-Champaign
,Department of Mechanical Science
and Engineering,
1206 West Green Street
,Urbana, IL 61801
e-mail: yu59@illinois.edu
Search for other works by this author on:
Shiv G. Kapoor,
Department of Mechanical Science
and Engineering,
Urbana, IL 61801
e-mail: sgkapoor@illinois.edu
Shiv G. Kapoor
1
University of Illinois at Urbana-Champaign
,Department of Mechanical Science
and Engineering,
1206 West Green Street
,Urbana, IL 61801
e-mail: sgkapoor@illinois.edu
1Corresponding author.
Search for other works by this author on:
Richard E. DeVor,
Department of Mechanical Science
and Engineering,
Urbana, IL 61801
e-mail: redevor@illinois.edu
Richard E. DeVor
University of Illinois at Urbana-Champaign
,Department of Mechanical Science
and Engineering,
1206 West Green Street
,Urbana, IL 61801
e-mail: redevor@illinois.edu
Search for other works by this author on:
John E. Wentz
School of Engineering,
Saint Paul, MN 55105
e-mail: went2252@stthomas.edu
John E. Wentz
University of St. Thomas
,School of Engineering,
2115 Summit Avenue
,Saint Paul, MN 55105
e-mail: went2252@stthomas.edu
Search for other works by this author on:
Bingyi Yu
University of Illinois at Urbana-Champaign
,Department of Mechanical Science
and Engineering,
1206 West Green Street
,Urbana, IL 61801
e-mail: yu59@illinois.edu
Shiv G. Kapoor
University of Illinois at Urbana-Champaign
,Department of Mechanical Science
and Engineering,
1206 West Green Street
,Urbana, IL 61801
e-mail: sgkapoor@illinois.edu
Richard E. DeVor
University of Illinois at Urbana-Champaign
,Department of Mechanical Science
and Engineering,
1206 West Green Street
,Urbana, IL 61801
e-mail: redevor@illinois.edu
John E. Wentz
University of St. Thomas
,School of Engineering,
2115 Summit Avenue
,Saint Paul, MN 55105
e-mail: went2252@stthomas.edu
1Corresponding author.
Manuscript received July 27, 2011; final manuscript received October 24, 2013; published online March 26, 2014. Assoc. Editor: Tony Schmitz.
J. Manuf. Sci. Eng. Jun 2014, 136(3): 031001 (8 pages)
Published Online: March 26, 2014
Article history
Received:
July 27, 2011
Revision Received:
October 24, 2013
Citation
Yu, B., Kapoor, S. G., DeVor, R. E., and Wentz, J. E. (March 26, 2014). "Investigation of Flux Decline in Tortuous Pore Structures via Three-Dimensional Simulation of Cross-Flow Microfilter Fouling." ASME. J. Manuf. Sci. Eng. June 2014; 136(3): 031001. https://doi.org/10.1115/1.4026430
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