Electrodialysis is an electrically driven membrane separation process that is capable of separating, concentrating, and purifying selected ions from aqueous solutions (as well as some organic solvents). The process is based on the property of ion exchange membranes to selectively reject anions or cations. Electrodialysis can remove salts from food, dairy, and other products, waste streams and other solutions, as well as concentrate salts, acids or bases. The system is a useful tool to remove unwanted total dissolved solids that can build up in product streams.
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Electrodialysis is used to adjust pH in
wine and food products:
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