Electrodeionization (EDI) Systems — Continuous High-Purity Water

Overview

Electrodeionization is a proven, chemical-free technology for producing ultrapure water by combining ion-exchange resins with electrically driven ion transport. AQUALITEK's electrodeionization systems deliver stable resistivity and low ionic content for applications that demand consistent high-purity water. Ideal for power plants, semiconductor fabrication, pharmaceutical production, laboratories, and industrial processes, EDI eliminates the need for repeated chemical regeneration while reducing operational complexity.

How Electrodeionization Works

EDI integrates mixed-bed ion-exchange resins and ion-selective membranes in a continuous process where a DC electrical field drives ions from the dilute stream into a concentrate stream. The resins provide high surface area for ion capture while electrical potential continuously regenerates the resin in situ. The result is continuous production of deionized water with low conductivity and minimal chemical handling. AQUALITEK engineers optimize electrodeionization stack design, flow distribution, and control systems to maximize recovery, minimize energy use, and ensure long service life.

Applications & Benefits

Electrodeionization from AQUALITEK delivers consistent ultrapure water for process make-up, boiler feed, ultrapure rinse, and analytical applications. Key benefits include chemical-free operation, reduced operating cost, compact footprint, high recovery rates, and reliable compliance with stringent conductivity and TOC targets. Our EDI solutions integrate seamlessly with pretreatment stages such as multimedia filtration, softening, and reverse osmosis to protect membranes and extend system uptime.

Why AQUALITEK for Electrodeionization

AQUALITEK combines engineering expertise, manufacturing excellence, and global project experience to provide customizable EDI systems tailored to client specifications. Headquartered in Guangzhou, China, we supply high-quality components and complete systems that meet international standards. Our team supports system selection, pilot testing, installation, and lifecycle service to satisfy E-E-A-T expectations—expertise, experience, authoritativeness, and trustworthiness—in every deployment.

Service, Integration & Contact

We offer turnkey solutions, retrofits, and aftermarket parts for electrodeionization systems worldwide. For technical consultation, sizing, or quotation, visit https://www.aqualitek.com or contact us at aimee@aqualitek.com. Choose AQUALITEK for reliable, sustainable, and cost-effective ultrapure water solutions.

FAQ:

What types of water treatment systems does AQT offer?

AQT provides a wide range of water purification solutions, including reverse osmosis (RO) systems, ultrafiltration (UF) systems, nanofiltration (NF) systems, deionization (DI) systems, electro-deionization (EDI) systems, chemical dosing systems, and water softeners. We also supply spare parts and components for water treatment systems.

Is softened water safe to drink?

Yes, but those on low-sodium diets should consider potassium-based softeners or install a separate drinking water filter.

Can I use AQT’s water treatment systems for seawater desalination?

Yes! We provide seawater desalination systems using advanced reverse osmosis (RO) technology, specifically designed to convert seawater into fresh, drinkable water. These systems are ideal for coastal communities, marine applications, and industrial desalination projects.

What is the difference between softening and deionization?

Softening removes only hardness ions (Ca²⁺, Mg²⁺), while deionization removes both cations and anions to produce high-purity water.

Do you provide replacement parts and consumables?

Yes. We supply cartridges, filter bags, media (sand, carbon, etc.), valve kits, and O-rings for all major systems.