Anionic Polyacrylamide Flocculant (APAM)
Anionic Polyacrylamide (APAM) is a high molecular weight, negatively charged polymer flocculant widely used for flocculating positively charged mineral slurries, tailings, and process water in mining operations. Its anionic charge facilitates effective adsorption onto the surfaces of calcium and iron-containing minerals, forming large flocs for rapid sedimentation. APAM is the most commonly used grade in metallic ore tailings thickening and red mud disposal in alumina refining.
Technical Specifications
| appearance | White powder or granules |
| moisture (%) | ≤8 |
| hydrolysis degree (%) | 15-35 |
| molecular weight (×10⁶ g/mol) | 8-25 |
Applications
- Metallic ore tailings thickening and dewatering
- Red mud flocculation in alumina refining
- Iron ore slime settling and water clarification
- Copper and gold ore processing tailings management
- Mine water treatment and recycling programs
Key Features
- Anionic charge provides effective flocculation of cationic mineral slurries
- Very high molecular weight delivers superior bridging and settling rates
- Broad application range from tailings thickening to water polishing
- Customizable charge density and MW for specific ore and slurry conditions
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