Cationic Polyamine Coagulant Aid
CAS Number: 68131-73-7
Cationic polyamine is a high charge density, low molecular weight organic coagulant used as a primary coagulant or coagulant aid to enhance the performance of inorganic coagulants (PAC, alum) and polymer flocculants. Its high cationic charge density rapidly neutralizes negatively charged colloidal particles, reducing the required dose of downstream inorganic coagulants by up to 50%.
Technical Specifications
| density | 1.05–1.15 g/cm³ |
| appearance | Light yellow to amber liquid |
| active content | 40–50% |
| charge density | 4.5–6.5 meq/g |
| pH as supplied | 3.0–5.5 |
| molecular weight | 50,000–200,000 Da |
Applications
- Drinking water treatment coagulant aid reducing PAC or alum dose
- Municipal wastewater primary clarification enhancement
- Paper mill retention and drainage improvement
- Industrial wastewater emulsion breaking
- Color and turbidity removal in high-load effluents
Key Features
- High cationic charge density for rapid colloidal charge neutralization
- Reduces inorganic coagulant dose — lower sludge volume and cost
- Effective over wide pH and turbidity ranges
- Compatible with PAC, alum, and polyacrylamide flocculants
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