Blog Post

HALIOS 6 | 12 now with EDI module

  • by NEPTEC
  • 16 Feb, 2021

HALIOS lab water series becomes even more versatile

To further complement the extending portfolio of our HALIOS lab water series, our HALIOS both in 6L and 12L is now also available with an EDI module.

Electrodeionization (EDI) also called continuous electrodeionization (CEDI), is a water treatment technology that utilizes electricity, ion exchange membranes and resin to deionize water and separate dissolved ions (impurities) from water. The EDI module acts, in effect, as an ion exchange bed which is continuously regenerated electrically. It consists of a set of chambers filled with ion exchange resins and separated by ion-exchange membranes. Water enters the module, where an externally applied electric field forces ions to move through the resins and across the membranes.

As the impurities are removed via the concentrates, they do not build-up and exhaust the resin. An EDI cell may operate for many years before a replacement is required. Typically, product water resistivity of >15 MΩ.cm is consistently achieved using this process. So that the lifetime of the final polishing module will be increased significantly. Additionally, the EDI technology also reduces the release of organic impurities.

Here are the other advantages of the EDI technology:

  • Simple and continuous operation
  • Cost effective operation
  • Low power consumption
  • Environment friendly, safe and reliable
  • Produces high pure water in a constant flow
  • Provides almost complete removal of dissolved inorganic particles
  • Removes more than 99.9% of ions from the water in combination with the RO in our HALIOS systems

The option of having an EDI module is now available for our HALIOS 6 | 12. Contact us at info@neptec.de to discuss your  needs and we are very happy to offer a non-binding consultation with you.  


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