Electrodialysis Reversal (EDR)
The Electrodialysis Reversal (EDR) technology uses electric current to move dissolved salts
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The Electrodialysis Reversal (EDR) technology uses electric current to move dissolved salts through ion-exchange membranes, separating them from water.
Unlike conventional electrodialysis, EDR periodically reverses the polarity to reduce membrane scaling and fouling, improving system longevity and performance.
Salient features
- Removes dissolved salts and ions using ion-exchange membranes
- Periodic polarity reversal reduces scaling and extends membrane life
- Operates at lower pressures than RO
- Energy-efficient for low to moderate TDS water (typically <5,000 ppm)
- Produces high recovery rates with minimal chemical cleaning
- Suitable for brackish water, municipal reuse, and industrial applications
