Cationic Polyacrylamide Flocculant (CPAM)
Cationic Polyacrylamide (CPAM) is a positively charged polymer flocculant designed to flocculate negatively charged coal fines, clay-rich slurries, and acid mine drainage. It is extensively used in coal preparation plant slime circuits where high-charge clays and organic matter require a cationic flocculant for effective dewatering. CPAM achieves rapid floc formation and superior cake moisture reduction compared to non-ionic or anionic grades in these applications.
Technical Specifications
| appearance | White powder or granules |
| moisture (%) | ≤8 |
| cationicity (%) | 10-80 |
| molecular weight (×10⁶ g/mol) | 5-15 |
Applications
- Coal slime flotation circuit flocculant and filter aid
- Fine coal dewatering and thickening
- Acid mine drainage treatment and neutralization
- Clay-rich mineral slurry clarification
- Coal tailings management and water recovery
Key Features
- Positive charge provides effective flocculation of clay-rich coal slurries
- Tunable cationicity for optimization across different coal types
- Reduces filter press cycle time and improves cake dry mass
- Effective in acidic conditions typical of coal mine drainage
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