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 |
|
| Poor appearance and taste of Product itself |
