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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/5418

Title: Low pressure microfilter design aspects and filtration performance
Authors: Stillwell, Michael T.
Sumritwatchasai, Wiwit
Holdich, R.G.
Kosvintsev, S.R.
Keywords: Surface filtration
Blocking filtration
Composite coating
Issue Date: 2009
Publisher: © Taylor & Francis
Citation: STILLWELL, M.T....et al., 2009. Low pressure microfilter design aspects and filtration performance. Separation Science and Technology, 44 (11) pp. 2541 - 2558.
Abstract: A microfilter should retain micron sized material yet provide minimal resistance to liquid flow. A slotted pore surface microfilter was oscillated whilst filtering yeast cells under constant rate. At shear rates over 7760 s-1, a pore blocking model fitted the data. The operating pressure was very low (<1000 Pa), but particle retention was limited by the 4 micron pore slot width. A sintered glass micro-bead coating improved yeast rejection: 95% at 1.7 microns at a shear rate of 5000 s-1, with a 1.2 kPa transmembrane pressure. Two models were validated to assist with the design of future micro-bead coatings constructed from spherical particles.
Version: Accepted for publication
DOI: 10.1080/01496390903054561
URI: https://dspace.lboro.ac.uk/2134/5418
Publisher Link: http://dx.doi.org/10.1080/01496390903054561
ISSN: 1520-5754
Appears in Collections:Published Articles (Chemical Engineering)

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