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Title: Influence of particulate and process variables in compressible cake filtration
Authors: Willmer, S.A.
Tarleton, E.S.
Holdich, R.G.
Issue Date: 1995
Publisher: The Filtration Society
Citation: WILLMER, S.A., TARLETON, E.S. and HOLDICH, R.G., 1995. Influence of particulate and process variables in compressible cake filtration. IN: Proceedings of the Filtech Conference 1995, Karlsruhe, Germany, pp.149-159
Abstract: Data are reported on particulate and process variables which influence the formation of compressible filter cakes. Variables such as surface charge, particle size and size distribution, filtration pressure and solids concentration have been investigated. To obtain a greater insight into the filter cake behaviour, an electrical impedance imaging technique for determining the in-situ solids concentration in solid/liquid mixtures has been used. Pressure leaf filtration tests of wellcharacterised solids dispersed in aqueous media have been performed over a range of conditions to investigate the characteristics of compressibility. The majority of the results from these tests are shown through solids concentration profiles as functions of suspension/cake height and time, and specific cake resistance and porosity as functions of pressure. The dependence of the compressibility on surface charge and other variables has been found. Comparisons have been made with the Tiller/Shirato ‘modern’ filtration theory and the difficulties highlighted.
Description: This is a conference paper.
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/5603
Appears in Collections:Conference Papers and Presentations (Chemical Engineering)

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