Wilmington, Del. – November 10, 2026 -- DuPont (NYSE: DD) has launched four high-flow Electrodeionization (EDI) modules, extending the nominal product-water flow range of its EDI portfolio to 2-8 m3/h for industrial deionized (DI) water and selected ultrapure water (UPW) applications in microelectronics.
New EDI-520, EDI-820, EDI-530 and EDI-830 modules deliver 5 or 8 m3/h
The four plate-and-frame modules are available in two- and three-outlet configurations. They join DuPont's existing EDI-310 module and its spiral-wound technology, which together cover installations from small systems to large-scale industrial projects.
The modules combine DuPont ion exchange resins, ion exchange membranes and electrodes. DuPont says this design helps reduce dilute-chamber pressure drop and electrical resistance. The company cites more than two decades of EDI manufacturing experience.
Chemical-free operation targets power, hydrogen, chemicals and semiconductor users
EDI combines electrodialysis and ion exchange resin technologies to remove ionized and ionizable impurities continuously using direct-current power. It is typically used as a polishing step after reverse osmosis and serves as an alternative to conventional mixed-bed ion exchange. Because it operates continuously without chemical regeneration, it avoids hazardous regeneration chemicals and the associated chemical waste.
DuPont lists target sectors including power generation and green hydrogen; chemical, coal-to-chemical and petrochemical processing; pulp and paper; metallurgy; solar photovoltaic production; and semiconductor chip assembly and testing.
Designs cover both new installations and replacement projects for OEMs and end users
The configurations are intended to meet the differing requirements of OEMs and end users. Gary Gu, Global Technology Director at DuPont Water Solutions, said the expansion gives customers "greater flexibility" for higher-purity water requirements.
DuPont also supplies ultrafiltration and reverse osmosis membranes for DI water pretreatment, plus polishing resins for UPW. Customers can therefore source key purification technologies from a single supplier. DuPont Water Solutions technologies purify more than 50 million gallons of water every minute across 112 countries.