Product Guide

E-Cell Electrodeionization (EDI)

Electrodeionization (EDI) is a continuous, chemical-free water purification process that removes ionizable species from water using ion-exchange membranes, ion-exchange resin, and an applied electrical potential to drive ion transport. EDI is most often used to polish reverse osmosis (RO) permeate into high-purity and ultrapure water, replacing conventional mixed-bed ion exchange and eliminating the hazardous regeneration …

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Pre-treatment for Reverse Osmosis

Reverse osmosis (RO) pre-treatment is the set of filtration and conditioning steps applied to feed water before it reaches the RO membranes. Because RO membranes are designed to remove dissolved solids — not suspended solids, chlorine, or scale-forming hardness — proper pre-treatment is essential to protect the membranes, maintain performance, and extend system life. Purecowater …

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