CDI stands for Capacitive Deionization, a more efficient low energy desalination process that can suit small domestic requirements and is expandable to cater for large flows or higher salinities and because the units are modular can be scaled in series to suit commercial applications such as mine tailings or industrial waste water.

Capacitive Deionization was developed over 20 years ago in the United States. The original process has been improved over time and various materials substituted for new materials that feature high surface area for capturing and storing salts.

CDI uses improved and efficient power supplies; new technology corrosion protection coatings for  the electrodes, titanium encasement of the carbon cells, upgraded power splitting capability for higher flow rates and SCADA remote monitoring software.

The latest developments in capacitive deionization are incorporated in CDI Desalination units.