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Purelife Water Purification Private Limited
Purelife Water Purification Private Limited


Demineralisation Plant

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Demineralisation Plant

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Demineralisation Plant
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Approx. Rs 3 Lakh / UnitGet Latest Price

Product Details:
Capacity250 LPH - 10000 LPH
Automation GradeFully Automatic
BrandPure Life
Frequency50-60 Hz
MaterialMS, FRP
Motor3 kw
Phase1
Voltage220 V
Water Storage Capacity3000 L

Demineralisation is the Process of removing the mineral salts from water by ion-exchange. Impurities that remains dissolved in water dissociate to form positive and negative charged particles known as ions. These impurities or compounds are called electrolytes. Generally, all natural water has electrolytes in varying concentrations. Anion-exchange vessel holds ion-exchange resin of the required type through which water is allowed to pass. The selective ions in the water are exchanged with ions or radicals loosely held by the resin. In this way, the water is passed through several vessels or a mixed bed vessel so that both positive and negative ions are removed and water is dematerialized.
How Does a Demineralisation Plant?
The idea behind a water softener is simple. The calcium and magnesium ions in the water are replaced with sodium ions. Since sodium does not precipitate out in pipes or react badly with soap, both of the problems of hard water are eliminated. To do the ion replacement, the water in the house runs through a bed of ion exchange resin. The resins are covered with sodium ions. As the water flows past the sodium ions, they swap places with the calcium and magnesium ions. Eventually, the resin contains nothing but calcium and magnesium and no sodium, and at this point they stop softening the water. It is then time to regenerate the ion exchange resin. Regeneration involves soaking the resin in a stream of sodium ions. Salt is sodium chloride, so the water softener mixes up a very strong brine solution and flushes it through the resin bed. The strong brine displaces all of the calcium and magnesium that has built up in the resin and replaces it again with sodium. The remaining brine plus all of the calcium and magnesium is flushed out through a drainpipe
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 cation column, whereupon all the cations are exchanged for hydrogen ions.
  • To keep the water electrically balanced, for every monovalent cation, e.g. Na+, one hydrogen ion is exchanged and for every divalent cation, 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 charged ions are exchanged for hydroxide ions which then combine with the hydrogen ions to form water (H2O)
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Purelife Water Purification Private Limited
Pratiksha (HR Manager)
G-01, Shree Nath Bhakti, Indralok, Phase 1 , Mira Road East,
Thane - 401105, Maharashtra, India
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