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Deionization Definition

Chemistry Glossary Definition of Deionization

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Definition: The removal of ions. The term is generally used with respect to removal of ions from water. Deionization is commonly achieved by passing the water through successive ion exchange columns. In one column, ions are exchanged for H+ ions. In another column, anions are exchanged for OH- ions. Following a reaction of H+ with OH- ions, no ions remain in solution.

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