Membrane Filtration Characteristics of Oil/Water Emulsions 


Vol. 5,  No. 2, pp. 69-78, Dec.  1999


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  Abstract

Separation characteristics of cutting oil-in-water emulsions were studied experimentally by using various kinds of flat-type microfiltration and ultrafiltration membranes. For ultrafiltration membranes the permeation behavior of cutting oil emulsions obeys the film model, whereas a significant deviation from the model was observed for ASYPOR microfiltration membranes. The experimental data obtained for all the membranes showed that the effect of operating pressure on the permeation flux of oil-in-water emulsions is not very significant. At low transmembrane pressures the permeation flux decreased gradually with increasing filtration time, whereas the permeation flux at high transmembrane pressures decreased steeply for early filtration time. However, every flux eventually reached a constant value that depends only on the applied transmembrane pressure. For the hydrophobic polycarbonate microfiltration membrane the permeation flux increased with the filtration time. The critical permeation pressures were also determined from the data obtained from unstirred cell experiments.

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  Cite this article

[IEEE Style]

K. JP, L. JS, R. JH, K. JJ, C. KY, C. MS, M. BR, "Membrane Filtration Characteristics of Oil/Water Emulsions," Clean Technology, vol. 5, no. 2, pp. 69-78, 1999. DOI: .

[ACM Style]

Kim JP, Lim JS, Ryu JH, Kim JJ, Chung KY, Chun MS, and Min BR. 1999. Membrane Filtration Characteristics of Oil/Water Emulsions. Clean Technology, 5, 2, (1999), 69-78. DOI: .

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