PolyDADMAC Cationic Polymer for Diamond Mine Slurry Dewatering
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Product Overview
PolyDADMAC, also known as Poly(dimethyl diallyl ammonium chloride) or PDADMAC, is a water-soluble cationic polymer widely used in mining wastewater treatment, mineral processing, sludge dewatering, and clarification applications.
During diamond mining and processing, large amounts of slurry wastewater are generated containing fine diamond-bearing particles, clay, mineral solids, and suspended impurities. These particles often remain stable in water due to their negative surface charges, resulting in slow settling and difficult solid-liquid separation.
Bluwat PolyDADMAC provides strong cationic charge neutralization and adsorption ability. It destabilizes suspended particles and promotes the formation of larger, stronger flocs, improving thickening, clarification, and dewatering efficiency in diamond mine slurry treatment systems.
Application in Diamond Mine Slurry Dewatering
Diamond mining operations require efficient water management systems to reduce water consumption and improve mineral processing efficiency. PolyDADMAC is used in slurry treatment processes including:
Key Benefits
Strong Charge Neutralization
Diamond mine slurry contains negatively charged fine particles such as clay and mineral solids. PolyDADMAC quickly neutralizes these charges and improves particle aggregation.
Improved Slurry Settling
The high cationic activity of PolyDADMAC helps form larger flocs, accelerating sedimentation and reducing clarification time.
Enhanced Dewatering Efficiency
PolyDADMAC improves the structure of mineral slurry flocs, supporting better water release during filtration and mechanical dewatering.
Better Process Water Recovery
By reducing suspended solids and turbidity, treated water can be recycled back into diamond processing operations.
Flexible Grade Selection
Bluwat provides multiple viscosity and molecular weight grades to match different slurry characteristics and mining processes.
Chemical Compatibility
PolyDADMAC can be used alone or combined with inorganic coagulants such as Polyaluminium Chloride (PAC) to improve treatment results.
Working Principle
PolyDADMAC treatment in diamond mine slurry follows these steps:
- Negative charges on suspended mineral particles are neutralized.
- Fine particles become destabilized.
- Polymer chains connect particles through adsorption and bridging.
- Larger flocs are formed.
- Water separates from solids more efficiently.
- Clarified water can be recycled or reused.
Typical Diamond Mining Applications
Tailings Water Clarification
PolyDADMAC helps accelerate settling of fine mineral particles in tailings ponds and clarification tanks.
Slurry Thickening
It improves floc formation before thickener operation, helping increase solid concentration and improve overflow water quality.
Mechanical Dewatering
Used as a pretreatment chemical before filter press, belt press, or centrifuge systems to improve dewatering performance.
Wastewater Treatment
Suitable for wastewater containing suspended solids generated during diamond extraction and processing.
Recommended Treatment Process
Product Specifications
| Product Name | BLU DA Series PolyDADMAC Liquid |
| Chemical Name | Poly(dimethyl diallylammonium chloride) |
| Short Name | PolyDADMAC / PDADMAC |
| CAS No. | 26062-79-3 |
| Appearance | Colorless to light yellow liquid |
| Solid Content | 20–50% |
| pH Range | 3.0–7.0 |
| Specific Gravity | 1.01–1.10 at 25°C |
| Charge Type | Cationic |
| Molecular Weight | Low, medium, high, and very high grades available |
| Viscosity Range | Below 200 cps to above 15000 cps depending on grade |
| Package | 25L plastic drum, 200L plastic drum, 1000L IBC drum |
Available PolyDADMAC Grades
Application Method
For diamond mine slurry treatment, the optimal PolyDADMAC dosage depends on mineral composition, suspended solids concentration, slurry density, particle size distribution, pH condition, and dewatering equipment.
Before application, PolyDADMAC should be diluted according to the treatment system. When used alone, it is recommended to dilute the product to 0.5–5% concentration based on solid content.
Jar testing is recommended to determine the best product grade and dosage. Proper mixing conditions should be maintained to ensure uniform distribution and prevent floc breakage.
Why Choose Bluwat PolyDADMAC?
Bluwat Chemicals is a professional manufacturer of water treatment chemicals, supplying PolyDADMAC, PAM, PAC, Polyamine, and other coagulants and flocculants for global industrial wastewater applications.