De-ionizer, de-mineralizer and DI systems are the name of the same equipment.
In this process, the ions present in the water are removed by using especially manufactured ion exchange resins. The respective resins remove the ions present in water by exchanging the ions on the resin with the unwanted ions present in the water to be treated.
De-ionization produces high purity water that is generally similar to distilled water.
DI water equipment can be produced in various sizes and can be configured to meet any flow rate or quality specification.
The resins can be re-generated once they are saturated or exhausted.