Poly-DADMAC Flocculant Aid
CAS Number: 26062-79-3
Poly(diallyldimethylammonium chloride) (pDADMAC) is a strongly cationic polyelectrolyte used as a primary coagulant and coagulant aid in drinking water, industrial water treatment, and paper manufacturing. Its high quaternary ammonium charge density provides excellent colloidal charge neutralization and turbidity removal, and it is effective even in cold, low-turbidity waters where inorganic coagulants perform poorly.
Technical Specifications
| density | 1.04–1.10 g/cm³ |
| appearance | Clear to slightly hazy colorless or pale yellow liquid |
| active content | 20% or 40% |
| charge density | 6.1–6.5 meq/g |
| pH as supplied | 5.0–7.0 |
| molecular weight | 100,000–500,000 Da |
Applications
- Drinking water low-turbidity charge neutralization coagulant
- Municipal wastewater primary clarification
- Paper and pulp mill retention and drainage aid
- Sludge dewatering conditioning agent
- Dye and color removal from textile effluent
Key Features
- High quaternary ammonium charge for fast and complete colloidal charge neutralization
- Effective in challenging low-temperature, low-turbidity source waters
- Allows significant reduction in inorganic coagulant dose
- Approved for potable water treatment in many regulatory frameworks
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