Abstract

A porous media approach based on the volume averaging theory has been proposed to investigate membrane transport processes associated with hollow fiber dialyzers and radial flow hollow fiber reverse osmosis module. A general set of macroscopic governing equations has been derived for the three individual phases, namely, the lumen side flow phase, shell side flow phase and membrane phase. Analytical and numerical solutions based on the present approach are found to agree well with available experimental data. Three-dimensional numerical models can be used for possible optimization of the hollow fiber membrane systems.

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