Electrodeionization (EDI) modules


Electrodeionization (EDI) is an electrically-driven water treatment technology that uses electricity, ion exchange and resin to remove ionized species from water. The combination of ion-exchange resins and ion-exchange membranes, which are used to move ionic impurities into a waste or concentrate water stream leaving purified product water. An EDI-unit is usually used as a post treatment of Reverse Osmosis water.


No salt Injection
Counter current
Low energy consumption

Product Flow1235
Flow Range0.1-1.51.5-2.52.5-3.54.5-5.5
Product Resistivity15151515
Operating Current7777
Operating Voltage200300400600
Feed Pressure0.2-0.50.2-0.50.2-0.50.2-0.5

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