Poly Ferric Sulfate (PFS)
CAS Number: 10028-22-5
Iron-based polymeric coagulant with superior color and COD removal. Effective in cold water and low-alkalinity conditions where aluminum coagulants underperform.
Technical Specifications
| basicity | 8–16% |
| total Fe | ≥ 19% |
| packaging | 25 kg bags |
| appearance | Yellow-brown powder |
| pH 1% solution | 2.0–3.5 |
| water insoluble | ≤ 0.5% |
Applications
- High-color wastewater
- Low-temperature water treatment
- Low-alkalinity raw water
- Printing and dyeing wastewater
- Landfill leachate
- Heavy metal wastewater
Key Features
- Superior color removal vs PAC
- Works in cold water (< 5°C)
- Effective COD reduction
- No aluminum residual
- Denser flocs — faster settling
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