A new range of electrodialysis ( EDI ) products for industrial and microelectronics water treatment systems, which expands the flow capacity and configuration options.
Wilmington, Delaware, November 9, 2026 / PRNewswire / -- DuPont ( NYSE : DD ) today announced the launch of four new high-flow DuPont ™ electrodeionization ( EDI ) modules, expanding its product portfolio for deionized ( DI ) water applications in the industrial market as well as some ultra-pure water ( UPW ) applications in the microelectronics industry.
DuPont stated that the EDI series within the new product portfolio is suitable for applications requiring higher purity water in various industries, including power generation and green hydrogen energy; chemical engineering, coal chemical processing, and petrochemical processing; pulp and paper manufacturing; metallurgy; solar photovoltaic production; as well as semiconductor chip assembly and testing.
Electrodialysis technology combines electrodialysis and ion exchange resin technology to continuously remove ionic and ionizable impurities from water using direct current. This technology is typically used in the post-treatment stage following reverse osmosis and can replace traditional mixed-bed ion exchange in applications for deionized water and some types of ultrapure water. Its continuous operation without the use of chemical agents eliminates the need for hazardous chemical regeneration and also avoids the generation of related chemical waste.
DuPont Water Solutions' Global Technical Director Gary Gu stated: "The expansion of our EDI product portfolio provides our customers with greater flexibility in addressing a wider range of high-purity water requirements. By combining high-flow EDI modules with our expertise in ion exchange, reverse osmosis, and ultrafiltration, we can help customers simplify system design, operation, and maintenance, while ensuring stable and high-quality water production."
DuPont states that, leveraging over two decades of experience in EDI manufacturing, its expanded product portfolio combines existing roll-type technologies with new high-flow plate-and-frame modules. These modules utilize DuPont's ion exchange resins, ion exchange membranes, and electrodes to support the production of stable, high-purity water, while also helping to reduce the pressure drop and resistance in the dilution chamber.
The newly launched DuPont ™ EDI-520, EDI-820, EDI-530, and EDI-830 modules have a nominal water production flow rate of 5 cubic meters per hour or 8 cubic meters per hour, respectively, and are available in both two-outlet and three-outlet configurations to more flexibly meet the requirements of different systems and customer preferences. Together with DuPont's existing EDI-310 module, this product portfolio currently covers nominal water production flow rates ranging from 2 to 8 cubic meters per hour, supporting a variety of applications from smaller-scale installations to large industrial projects.
These new modules are designed for new projects and project replacements, and their configuration is aimed at meeting the different needs of OEM manufacturers and end-users.
In addition to EDI, DuPont also provides ultrafiltration (UF) and reverse osmosis (RO) membranes for deionized water pretreatment, as well as advanced treatment resins for ultrapure water applications. DuPont states that these technologies enable customers to purchase critical water purification solutions from a single supplier and to benefit from its expertise in the design and operation of DI and UPW systems.
DuPont's water solutions technology is currently helping to purify over 50 million gallons of water per minute in 112 countries around the world. DuPont offers market-leading technologies, with a wide range of membrane, resin, and complete system product portfolios to address the various challenges faced by municipal water treatment agencies, desalination plants, and industrial water users (including the microelectronics industry). The team is also developing solutions to help balance the growing global demand for water and energy, with related products supporting the production of electricity, lithium, and green hydrogen.
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