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Title: Effect of flocculation on critical flux during crossflow microfiltration of bentonite suspensions
Authors: Chellappah, Kuhan
Tarleton, E.S.
Wakeman, Richard J.
Keywords: Crossflow microfiltration
Critical flux
Shear-induced diffusion
Flocculated bentonite
Issue Date: 2008
Publisher: © Taylor & Francis
Citation: CHELLAPPAH, K., TARLETON, E.S. and WAKEMAN, R.J., 2008. Effect of flocculation on critical flux during crossflow microfiltration of bentonite suspensions. Separation Science and Technology, 43 (1), pp. 29-44
Abstract: The effectiveness of polymeric flocculant addition and hydrodynamics on increasing the critical permeation flux, Jcrit, during crossflow microfiltration of bentonite suspensions using a tubular ceramic membrane module was investigated. The investigation determined the effects of flocculant concentration on Jcrit at various crossflow velocities. The best filtration performance (highest Jcrit) was obtained at a flocculant dose of 500 mg kg-1 (mg of flocculant per kg of solids) and at a crossflow velocity of 1.71 m s-1. Particle size has been used as a parameter to fit the shear-induced hydrodynamic diffusion model to the experimental filtration data.
Description: This article was published in the journal, Separation Science and Technology [© Taylor & Francis] and the definitive version is available at: http://dx.doi.org/10.1080/01496390701748752
Version: Accepted for publication
DOI: 10.1080/01496390701748752
URI: https://dspace.lboro.ac.uk/2134/4761
ISSN: 0149-6395
Appears in Collections:Published Articles (Chemical Engineering)

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