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Demineralization Process

Demineralization is a method of removing mineral salts from water through the ion exchange process. It enables the production of high-quality water, often surpassing the quality achieved through conventional distillation, from most natural water sources.

Components of a Typical Two-Bed Demineralized Water Plant.

  1. Pressure Vessels: Made of FRP (Fiber Reinforced Plastic) or MS (Mild Steel) with rubber lining.
  2. Cation Exchange Resin: The first unit contains a high-capacity, strongly acidic cation exchange resin. This resin replaces positive ions (cations) of the salts in the water with hydrogen ions, forming respective acids.
  3. Anion Exchange Resin: The second unit contains a strong basic anion exchange resin that absorbs these acids, completing the demineralization process.

For achieving even higher purity water, Mixed Bed Deionisers are used. These single-column units contain a mixture of strongly acidic cation and strongly basic anion exchange resins. They are typically used as polishing units following a two-bed DM plant to ensure extremely high purity water.

Advantages of Demineralization

  • Cost-Effective Models: Offers a range of standard models that are economically viable.
  • Advanced Selection Software: Optimizes configuration for the best results.
  • Improved Aesthetics and Rugged Design: Ensures durability and visual appeal.
  • User-Friendly: Low maintenance and easy installation process.
  • Versatile Applications: Suitable for a wide range of applications.
  • Simpler Systems: Features straightforward distribution and collection systems.
  • Pre-Dispatch Assembly Check: Ensures the system is functional before delivery.
  • Quick Availability: Short lead times for product availability.

Applications of Demineralized Water

  • Pharmaceuticals: Ensures high-purity water for drug formulation and production.
  • Fertilizers: Used in the production of high-quality fertilizers.
  • Chemical Industries: Essential for various chemical manufacturing processes.
  • Battery Water: Provides pure water necessary for battery maintenance and operation.
  • Electroplating: Used in the electroplating process to ensure clean, contaminant-free water.
  • Beverages: Ensures the purity of water used in beverage production.
  • Electronics: Essential for cleaning and manufacturing electronic components.
  • Laboratories: Provides high-purity water for various lab applications.
  • Hospitals: Used for dialysis and other medical procedures requiring pure water.

Demineralization through ion exchange is a robust and versatile process, offering high-quality water for a wide range of industrial and medical applications.

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