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DM Plant
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Mixed bed Demineralizer consists of strong acid Cation (SAC) exchange resin and strong base Anion (SBA) exchange resin in the same column.


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AS Technosol
Mumbai, India
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Operations  of DM Plant 
Water is introduced into the mixed bed. Positively charged cations flow across cation resin beads, where they are exchanged for hydrogen (H+), which is not attracted to the cation resin beads. Negatively charged anions flow over anion resin beads, where they are exchanged for hydroxyl (OH-), which has less attraction to the anion resin beads. Anion resin is regenerated with sodium hydroxide (NaOH), while cation resin is regenerated with hydrochloric acid (HCl).
 

Applications  of DM Plant 

  1. Water used in boilers
  2. Water is processed in the chemical and textile industries.
  3. Hospitals, as well as residential and commercial applications
  4. Plants that generate electricity from water
  5. Pharmaceuticals
  6. Production of ultrapure water
  7. Other diverse applications

Characteristics of DM Plant 

  • Demineralizer Types
  1. Demineralizer for 2 Beds
  2. 2 Bed Demineralizer and 2 Bed Demineralizer in series
  3. A mixed bed demineralizer is a column that contains both strong acid Cation (SAC) exchange resin and strong base anion (SBA) exchange resin.
  • The 2 Bed Demineralizer is made up of two separate columns of strong acid Cation (SAC) exchange resin and strong base anion (SBA) exchange resin.
  • When it comes to producing high-purity demineralized water, mixed bed demineralizers are said to be more efficient.
  • Because cation resin possesses a negative functional group, it attracts positively charged ions.
  • Because anion resin has a positive functional group, it attracts negatively charged ions.
  • HCl is used to regenerate cation resin. Because hydrogen is positively charged, it binds to the negatively charged cation resin bead.
  • NaOH is used to renew anion resin. Because hydroxyl is negatively charged, it binds to the positively charged anion resin bead.


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