Use of Ferrous Sulphate in Wastewater Treatment
Ferrous sulphate, or iron(II) sulphate, is widely used in water and wastewater treatment processes due to its effectiveness as a coagulant and its role in removing impurities. Here’s a detailed explanation of its various applications and benefits in this context: 1. Coagulation and Flocculation Coagulation is the process of destabilizing suspended particles in water, and flocculation is the subsequent step where these particles aggregate into larger clusters (flocs) that can be easily removed. Ferrous sulphate is commonly used for these purposes due to its ability to: Application: 2. Phosphorus Removal Phosphorus is a nutrient that can cause eutrophication in water bodies, leading to excessive growth of algae and other aquatic plants. Ferrous sulphate is effective in removing phosphorus: Application: 3. Odor and Color Removal Ferrous sulphate helps in reducing undesirable odors and colors in water: Application: 4. Heavy Metal Removal Ferrous sulphate is used to remove heavy metals from water, making it safer for consumption and discharge: Application: 5. pH Adjustment and Alkalinity Control Ferrous sulphate can help in adjusting the pH and alkalinity of water: Application: Implementation and Operational Considerations Benefits of Using Ferrous Sulphate in Water Treatment In summary, ferrous sulphate is a versatile and effective chemical used in water treatment for coagulation, phosphorus removal, odor and color control, heavy metal removal, and pH adjustment. Its proper application helps ensure cleaner and safer water for both human use and environmental discharge.


