Membrane separation in deadend hollow fiber filters at constant transmembrane pressure

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A mathematical model of cake formation in deadend outside-in hollow fiber filters accounting for nonuniform cake deposition throughout the filter is developed. The model is used to study two possible mechanisms of cake growth: conventional (convective) and adsorption-peptization. The system of equations describing the cake formation is numerically solved with the generalized Crank-Nicholson finite-difference scheme. Comparison of the numerical solutions with experimental data shows that the cake formation in deadend out-side-in hollow fiber filters is governed by the adsorption-peptization mechanism.

Original languageEnglish (US)
Pages (from-to)471-477
Number of pages7
JournalTheoretical Foundations of Chemical Engineering
Issue number5
StatePublished - Sep 1 2005


All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)

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