Pretreatment
Feed quality and pretreatment protect ion-exchange and EDI modules from hardness, organics and particulates.
DI & EDI Engineering Guide | Deionization Systems
Engineering reference for DI and EDI water purification, pretreatment, operation, quality monitoring and troubleshooting.
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DI systems
Mixed-bed or separate-bed ion exchange produces high-purity water when regeneration and rinsing are controlled.
EDI systems
Electrodeionization continuously removes ions using electricity, resin and selective membranes without chemical regeneration in the EDI module.