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Research Papers

A Study on Native Oil Components Depletion of Industrial Metalworking Fluid During Microfiltration

[+] Author and Article Information
Talukder Z. Jubery

Mechanical Engineering,
Iowa State University,
Ames, IA 50011
e-mail: znjubery@iastate.edu

Shiv G. Kapoor

Department of Mechanical
Science and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801
e-mail: sgkapoor@illinois.edu

John E. Wentz

Department of Mechanical Engineering,
University of St. Thomas,
Saint Paul, MN 55105
e-mail: went2252@stthomas.edu

1Corresponding author.

Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received July 16, 2014; final manuscript received August 14, 2015; published online October 1, 2015. Assoc. Editor: Donggang Yao.

J. Manuf. Sci. Eng 138(3), 031002 (Oct 01, 2015) (8 pages) Paper No: MANU-14-1393; doi: 10.1115/1.4031365 History: Received July 16, 2014; Revised August 14, 2015

The depletion of native oil components from semisynthetic metalworking fluids (MWFs) during microfiltration is caused in part by the deposition of the MWF components on the pore walls, a mechanism that also results in the decline of the filtration rate of MWF over time. Simulated experiments with a fluid dynamic model that considers interparticle and particle–wall interactions show that membrane pore walls' surface charge density can be tailored to reduce system flux decline. However, results of the model show that the tailored membrane pore design may still see depletion of the oil components from the filtered MWF due to oil components being trapped in a suspended position above the pore mouth.

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References

Figures

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Fig. 2

Schematic of calculation domain used in the simulation

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Fig. 1

Sectional view of a reconstructed tortuous membrane of α-alumina membrane [10]

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Fig. 4

Contours of flux decline at pore wall zeta potential of −25 mV

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Fig. 5

Contours of flux decline at pore wall zeta potential of −40 mV

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Fig. 6

Schematic of locations of the 65 nm radius particles for (a) −25 mV and (b) −40 mV pore wall zeta potential

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Fig. 7

Contours of flux decline at particle zeta potential of −27 mV

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Fig. 8

Contours of flux decline at particle zeta potential of −80 mV

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Fig. 9

Contours of flux decline at particle zeta potential of −127 mV

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Fig. 10

Schematic of locations of the 45 nm particles for (a) −25 mV and (b) −127 mV particle surface potential

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