Electrodialytic Demineralization Using Permselective Membranes
Open Access
- 1 January 1964
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 111 (7) , 838-844
- https://doi.org/10.1149/1.2426265
Abstract
Equations were derived for the energy consumption and production rate in electrodialytic demineralization, based on a simple empirical relation between the apparent compartment pair resistance and the electrolyte concentration in the desalting stream. The equations are independent of the compartment dimensions parallel to the membranes and of flow velocity. Special attention is given to the detrimental effect of water transport and an “over‐all efficiency” is introduced which covers the nonideality of the membranes, salt diffusion, and water transport. The equations are compared with experimental results.Keywords
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