Industrial Water Treatment
(Chemicals)

Specific uses of water in Metallurgical Industries

  • Product Rinsing & Distillation
  • Feed water for Boilers
  • Make up water for Cooling systems
  • Water for diluting, dissolving, hydrolysis, etc.
  • Equipment Cleaning & Sanitation purposes

Major Pollutants in water from some Chemical Industries:

SECTOR POLLUTANTS
Iron and Steel BOD, COD, Oil, Metals, Acids, Phenols
Leather BOD, Suspended Solids, Sulphates, Chromium
Petrochemicals and Refinieries BOD, COD, Oil, Chromium, Phenols
Speciality Chemicals COD, Organic Chemicals, Suspended Solids, Metals
Non-Ferrous Metals Suspended Solids
Microelectronics Suspended Solids
Mining Suspended Solids, Metals, Acids, Salts
COMMON PROBLEMS CAUSES ( All water related) TYPES OF PURIFICATION
Process Problems Precipitation / Incompatibility due to salts
  • Deionisation
  • Reverse Osmosis
  • Ultra Filtration
  • UV disinfection
Poor appearance and taste of Product itself

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