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Reduction of polarization by ion-conduction spacers: theoretical evaluation of a model system

Authors
Journal
Desalination
0011-9164
Publisher
Elsevier
Publication Date
Volume
27
Issue
2
Identifiers
DOI: 10.1016/s0011-9164(00)88109-6

Abstract

Abstract A model is proposed describing electrodialysis in a cell with ion-exchange fibres. The actual heterogeneous medium is replaced, with the aid of averaging, by a homogeneous one with three interacting phases, corresponding to anion- and cation-exchange fibres and to the bulk solution. The model is discussed qualitatively and the results of the numerical solution are presented. The case of non-ideal ion-exchange spacers is treated and the appropriate numerical results are presented.

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