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Polyacrylamide / The replacement of aquafloc an 950 anionic polyacrylamide
AQUAFLOC AN 950 is a high–molecular-weight anionic polyacrylamide (APAM) widely used as a flocculant in solid–liquid separation processes. Thanks to its strong anionic charge density and long polymer chains, AQUAFLOC AN 950 performs exceptionally well in applications where suspended solids carry a neutral to negative surface charge. The main mechanism behind its performance is polymer bridging, which allows fine particles to agglomerate into large, fast-settling flocs. Below is a detailed overview of the major industrial applications of AQUAFLOC AN 950 anionic polyacrylamide, highlighting why it is a preferred solution across multiple sectors.
1. Wastewater Treatment Applications
One of the most important applications of AQUAFLOC AN 950 anionic polyacrylamide is in industrial and municipal wastewater treatment. It is commonly used as a secondary or tertiary flocculant following inorganic coagulants such as alum or ferric salts.
In wastewater treatment plants, AQUAFLOC AN 950 helps aggregate fine suspended solids, colloidal particles, and organic matter into larger flocs. These flocs settle rapidly in clarifiers or are easily removed by dissolved air flotation (DAF) systems. The result is clearer effluent, reduced turbidity, and improved overall treatment efficiency. AQUAFLOC AN 950 is especially effective in treating wastewater from paper mills, textile plants, food processing facilities, chemical factories, and steel plants, where suspended solids concentrations are high.
2. Sludge Thickening and Dewatering
Sludge dewatering is another key application area for AQUAFLOC AN 950 anionic polyacrylamide. It is widely used in belt filter presses, centrifuges, screw presses, and filter presses.
When added to sludge, AQUAFLOC AN 950 conditions the solids by forming strong, shear-resistant flocs. These flocs release trapped water more efficiently, leading to:
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Higher cake solids content
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Lower sludge volume
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Reduced disposal and transportation costs
This makes AQUAFLOC AN 950 particularly suitable for biological sludge, primary sludge, and mixed industrial sludges, where efficient water removal is critical for cost control.
3. Mining and Mineral Processing
In the mining and mineral processing industry, AQUAFLOC AN 950 anionic polyacrylamide plays a crucial role in thickening, clarification, and tailings management.
During ore beneficiation, large volumes of process water contain finely dispersed mineral particles. AQUAFLOC AN 950 accelerates sedimentation in high-rate and high-density thickeners, enabling faster solids settling and clearer overflow water. It is widely applied in operations involving:
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Iron ore
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Copper
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Gold
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Bauxite
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Phosphate
In tailings dewatering, AQUAFLOC AN 950 improves water recovery and enhances the stability of tailings storage facilities, supporting safer and more sustainable mining operations.
4. Sand Washing and Aggregate Processing
Sand washing plants and aggregate processing facilities rely heavily on AQUAFLOC AN 950 anionic polyacrylamide to recover fine particles and recycle process water.
Fine silts and clays generated during washing processes are difficult to settle naturally. AQUAFLOC AN 950 effectively flocculates these fines, allowing them to settle quickly in settling ponds or clarifiers. This leads to:
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Reduced water consumption
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Faster recycling of wash water
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Compliance with environmental discharge regulations
As a result, AQUAFLOC AN 950 contributes to both operational efficiency and environmental protection in construction material industries.
5. Pulp and Paper Industry
In the pulp and paper industry, AQUAFLOC AN 950 is commonly used for white water clarification and fiber recovery. Paper machine effluents contain fine fibers, fillers, and additives that must be recovered or removed before water reuse or discharge.
AQUAFLOC AN 950 enhances the aggregation of these fine particles, improving the efficiency of save-all systems and dissolved air flotation units. This reduces fiber losses, lowers raw material costs, and improves water reuse within the mill.
6. Oilfield and Energy Applications
In oilfield operations, AQUAFLOC AN 950 anionic polyacrylamide is used in produced water treatment and refinery wastewater clarification. It helps remove suspended solids and oily particulates after primary oil–water separation.
Additionally, AQUAFLOC AN 950 can be applied in coal washing plants and power station wastewater systems, where large quantities of fine ash or coal particles must be separated from water efficiently.
7. Environmental and Soil Applications
AQUAFLOC AN 950 is also used in environmental protection projects, such as soil erosion control, sediment control, and runoff management. When applied appropriately, it helps bind fine soil particles, reducing turbidity in runoff water and minimizing sediment loss into rivers and reservoirs.
This application is particularly valuable in construction sites, road building, and land reclamation projects, where sediment control is a regulatory requirement.
8. Advantages of AQUAFLOC AN 950 Anionic Polyacrylamide
The widespread use of AQUAFLOC AN 950 is driven by several key advantages:
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High molecular weight for strong floc formation
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Excellent performance at low dosage
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Rapid settling and clear supernatant
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Compatibility with a wide range of water chemistries
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Cost-effective solution for large-scale operations
These characteristics make AQUAFLOC AN 950 a reliable and versatile flocculant for diverse industrial applications.





