IONPURE CONTINUOUS ELECTRODEIONIZATION (CEDI)

CEDI is a chemical-free water treatment process that uses a combination of ion-exchange resins, ion-exchange membranes, and direct current to continuously deionize water.

CEDI uses a reaction/transport mechanism to remove ions through resin under influence of a DC field. This requires a continuous path of like-charge resin beads. The transport is largely across the surface of the resin beads. Transport through resin bead (particle diffusion) can be limiting.

Advantages of CEDI over Mixed-Bed Deionization

• • Lower operating and maintenance cost due to lack of chemical regeneration
  • No acid or caustic bulk storage, pumping, waste neutralization
  • Smaller footprint (the CEDI modules can be stacked)
  • Safer and more consistent operation

IONPURE Product Overview

We have a full line of products varying in size to meet your requirements. Our product lines include:

• VNX – high flow applications: 5.7 – 22.7 m³/hr (25 – 100 gpm)
• LX – medium flow applications: 0.23 – 7.7 m³/hr (1 – 33.8 gpm)
• LabXT & MX – low-flow applications: 0.03 – 0.75 m³/hr (0.013 – 3.3 gpm)

35+ years of innovation, IONPURE CEDI modules have been adopted worldwide in many Power, Microelectronics, Pharmaceutical and other high-purity applications.

In 2023, Evoqua joined forces with Xylem, combining our strengths to tackle the world’s most pressing water challenges. This collaboration has enhanced our ability to provide innovative, sustainable solutions for water and wastewater treatment, helping to create a more water-secure and resilient future.