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Deionization tanks

Highly purified water is essential in processing premium grade and highly purified products in the chemical, pharmaceutical, beverage, cosmetics and electronics industries. Deionization (DI) is frequently used to remove minerals from water by passing water through two separate ion beds - cation and anion - followed by mixed bed saturation.

Challenge


Multiple bed DI units have pairs of tanks where an optional CO2 degasser may be placed in between. Single bed DI units incorporate both the cation and anion exchangers mixed in a single tank. In addition to monitoring feed water, a level control in the mixing tank will operate the transfer pump to route the purified water to storage.
Deionization tanks
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