Ferrous Sulfate Decolorant
CAS Number: 7782-63-0
Low-cost iron-based decolorant for acid dye and direct dye wastewater. Combines coagulation with Fenton-like oxidative decolorization at acidic pH.
Technical Specifications
| Fe | ≥ 19.7% |
| packaging | 25 kg or 50 kg bags |
| FeSO4 7H2O | ≥ 98% |
| appearance | Blue-green crystals |
| pH 10% solution | 3.0–4.0 |
Applications
- Acid dye wastewater
- Direct dye wastewater
- Fenton oxidation (with H2O2)
- Combined color + COD removal
Key Features
- Lowest cost decolorant
- Dual coagulation + oxidation mechanism
- Synergistic with H2O2 (Fenton reaction)
- Also reduces heavy metals