Industrial Water Treatment (Textiles)
Uses of Water in Textile Industry & Common Pollutants in water:
| Processes | Uses of Water as Input | Common Pollutants |
|---|---|---|
| Desizing | Hot Water + Detergent | Enzymes, Starch, Ammonia |
| Scouring | Alkali + Water | Disinfectants & Insecticides residues, NaOH, Surfactants, Soaps, Oils, Spent Solvents, Enzymes |
| Bleaching | Bleaching Agent + Water | Sodium silicate, High pH |
| Mercerizing | Water | High pH, NaOH |
| Dyeing | Dyes + Water | Colour, metals, salts, surfactants, organics, sulphide, acidity/alkalinity |
| Printing | Inks + Water Wash | Urea, solvents, colour, metals |
| COMMON PROBLEMS | CAUSES ( All water related) | TYPES OF PURIFICATION |
|---|---|---|
| Poor Finishing | Salts in water |
|
| Poor Dyeing Quality | Clogged Boilers | |
| High Fuel Cost | ||
| Poor Cooling | Clogged cooling Lines | |
| Down Time for cleaning | Clogged Water Jet Machines | |
| Quality Problems | Spin Finish Area |

























