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Which Resin Use in RO Plant Softener?

Updated: Apr 16, 2021


Water treatment RO plant & softener resin (water softening resin) there's two basic varieties of resin cation-exchange and anion-exchange resin. The following ions are generally observed in hard water- Cations

  • Calcium(Ca2+)

  • Magnesium (Mg2+)

  • Sodium (Na+)

  • Potassium (K+)


Anions

  • Chloride (Cl-)

  • Bicarbonate (HCO3)

  • Nitrate (N032-)

  • Carbonate (cO32-)

Principal raw water is passed via two small polystyrenes natural process resin (bead-filled) beds. While the cations get exchanged with hydrogen ions within the first bed, the anions are exchanged with hydroxyl ions, within the other.


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