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Title: Microfiltration of deforming oil droplets on a slotted pore membrane and sustainable flux rates
Authors: Ullah, Asmat
Starov, Victor
Naeem, M.
Holdich, R.G.
Keywords: Sustainable flux
Droplets deformation
Shear rate
Issue Date: 2011
Publisher: © ELSEVIER
Citation: ULLAH, A....et al., 2011. Microfiltration of deforming oil droplets on a slotted pore membrane and sustainable flux rates. Journal of Membrane Science, 382(1-2), pp. 271-277
Abstract: Oil droplets from an emulsion were filtered using a slotted pore membrane with a 4 m slot width and 400 m slot length. Droplets up to 15 m in diameter were filtered at various flux rates (200–1200 l m−2 h−1) using oscillatory membrane microfiltration. Surface shear rates at the membrane of various intensities (0, 1200, 3200 and 8100 s−1) were applied and the effect on permeate flux rate and trans-membrane pressure were investigated. Near constant filtration flux was obtained for all the tests. Without shear the trans-membrane pressure increased quickly, but at the highest shear rate (8100 s−1) nearly constant trans-membrane pressure and flux rate were observed and may be described as sustainable, or weak form of critical flux. A filtration membrane blocking model was used to investigate the filtration and identify when sustainable, or critical, flux was achieved.
Version: Closed access
DOI: 10.1016/j.memsci.2011.08.017
URI: https://dspace.lboro.ac.uk/2134/9191
Publisher Link: http://dx.doi.org/10.1016/j.memsci.2011.08.017
ISSN: 0376-7388
Appears in Collections:Closed Access (Chemical Engineering)

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