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Desalination in an Electrodialysis Cell

Application ID: 3849

Electrodialysis is a separation process for electrolytes based on the use of electric fields and ion selective membranes. Some common applications of the electrodialysis process are:

- Desalination of process streams, effluents, and drinking water
- pH regulation in order to remove acids from, for example, fruit juices and wines
- Electrowinning of precious metals

This tutorial demonstrates the basics of electrodialysis in a desalination cell that removes sodium chloride from a dilute water solution and into a more highly concentrated solution.

This model is included as an example in the following products:

Electrochemistry Module

The combination of COMSOL® products required to model your application depends on several factors and may include boundary conditions, material properties, physics interfaces, and part libraries. Particular functionality may be common to several products. To determine the right combination of products for your modeling needs, review the Specification Chart and make use of a free evaluation license. The COMSOL Sales and Support teams are available for answering any questions you may have regarding this.