Introduction to Ion Exchange Resin Regenerants
2025-10-02
When a resin becomes saturated with adsorbed ions (e.g., a softening resin saturated with calcium and magnesium ions), the regenerant, containing exchangeable ions (e.g., Na⁺, H⁺, Cl⁻), is used to displace the trapped impurity ions (e.g., Ca²⁺, Mg²⁺) from the resin, thereby restoring its adsorption capacity.
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