Salt Removal from Water

High-performance salt removal at unmatched energy efficiency

Removing salt from water, especially at lower concentrations, has long been a technical and economic challenge. Traditional technologies often demand high energy input and come with high operational costs. REDstack’s ElectroDialysis Reversal (EDR) stacks offer a breakthrough: salt removal that is energy-efficient, scalable, and ready for real-world impact.

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Where Our Stacks Make The Difference

Each modular unit treats up to 36 m³/h, with minimal pressure loss (~100 mbar) and a compact footprint—making it easy to scale and integrate into diverse systems.

Industrial water reuse

Removing salts from recycle loops in paper manufacturing.

Surface water treatment

Eliminating chlorides before process intake.

Treated municipal wastewater

Preparing water for reuse in agricultural irrigation.

Efficiency, Recovery, Flexibility

Why Choose REDstack?

As low as 0.1 kWh/m³: the most energy-efficient solution for salt removal from low-TDS water (<5,000 mg/l).
Up to 95% water recovery: turning every drop into value.
Modular and scalable: flexible setups for both retrofit and new installations.

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Sustainable Performance, Proven Reliability

From Salt Burden To Water Solution

With REDstack technology, industries and municipalities can recover valuable water, lower operational costs, and meet stricter sustainability targets—without compromising performance or reliability.

Discover the Power of Selective Salt Removal

Let’s Remove The Limits

Want to know how REDstack stacks can improve salt removal in your process?

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