De-Minerlization System
DM Plant Manufacturer
For many laboratory and industrial applications, high-purity water which is essentially free form ionic contaminants is required. Water of this quality can be Produced by deionization. The two most common types of deionization are:
  • Two-bed deionization
  • Mixed-bed deionization

Two-bed Deionization:

The two-bed deionizer consists of two vessels - one containing a Cation-exchange resin in the hydrogen(H+) form and the other containing an anion resin in the hydroxyl (OH-) form. Water flows through the caution column, whereupon all the captions are exchanged for hydrogen ions. To keep the water electrically belanced, for every monovalent Caution, e.g. Na+, one hydrogen ion is exchanged and for every divalent caution, e.g. Ca2+ , or Mg2+, two hydrogen ions are exchanged. The same principle applies when considering anion exchange. The desalinized water then flows through the anion column. This time all the negatively changed ions are exchanged for hydroxide ions which then combine with the hydrogen ions to form water (H2O).

Usage :

  • Foundries
  • Food & Beverages
  • Pharmaceuticals
  • Plating plants
  • Paper & Pulp Industry