What Are Some Different Deionization Systems?


Quick Answer

Deionizers can be categorized as mixed bed systems or dual bed systems. Mixed bed systems contain both cation and anion resins inside a single vessel, and dual bed systems contain different resin types separated in different vessels.

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Dual bed deionizers typically produce water of poor quality, which is generally unacceptable for medical purposes, such as in hemodialysis, according to Aqua Technology. As a result, dual bed deionizers are often used as a pretreatment for mixed bed deionizing systems. In such a configuration, the mixed bed system polishes the water to a higher ionic quality. Both of these deionizers may either be portable or permanent exchange.

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