Electrodialysis Reversal (EDR)



Electrodialysis Reversal (EDR)

GE electrodialysis reversal systems, pioneered by Ionics, suit multiple applications, including:
 
Reducing radium, arsenic, perchlorate, fluoride, nitrate, hardness, uranium and selenium in drinking water
Recycling municipal and industrial wastewater
Recovering reverse osmosis reject
Desalting well and surface waters
Desalting water for boiler makeup and other industrial uses
 
GE systems achieve up to 94 percent water recovery while removing 40 to 90 percent of total dissolved solids. Our stacks have a long operational life and can be manually separated, cleaned and reused. Systems can handle high silica feeds – up to 140 ppm – reducing chemical usage and lowering costs. Our disinfectiontolerant membranes can operate with chlorine up to 0.5 ppm continuously and from 25 to 50 ppm during spikes.
 
To learn more, experience the NEW three minute EDR tutorial animation.
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Benefits To You
High water recovery design efficiently processes a source water and generates low concentrate volume for disposal.
Rugged systems are less sensitive than reverse osmosis (RO) to particulates and metal oxides.
Long membrane life (typically 10 years) lowers the cost of ownership.
Chlorine-resistant membranes are tolerant to disinfection, allowing use on challenging waters.
Reclaim waste waters to reduced waste discharges and reduce water use charges.
Easily control salt removal and product quality by adjusting amount of electricity applied to membrane stack.

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Supporting Documentation

Technical Papers
Case Studies
Capability Profiles and FAQs
EDR Overview Brochure

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