Anionic Polyacrylamide (APAM) is a high-molecular-weight polymer specifically designed for efficient solid-liquid separation. By neutralizing surface charges and facilitating bridging adsorption, it aggregates suspended particles, colloids, and fine impurities into flocs that are large in volume, high in density, and settle rapidly. This product is now widely utilized in fields such as wastewater treatment, mineral processing, sand washing, papermaking, and sludge dewatering.
Product Introduction
Henan Saifu Company's anionic polyacrylamide flocculant is produced using advanced polymerization and hydrolysis processes. The product appears as white granules or powder, is readily soluble in water, and flows smoothly upon preparation. Thanks to its controllable molecular weight and moderate degree of hydrolysis, it demonstrates reliable performance across a wide range of water quality conditions.
Key Advantages
- APAM forms large, dense flocs that settle rapidly.
- It requires low dosage during application, offering high efficiency and significant cost savings.
- APAM exhibits excellent compatibility with inorganic coagulants (such as PAC, PFS, etc.).
- It delivers outstanding performance in neutral and alkaline aqueous systems.
- It features stable quality, with consistent performance across different batches.
Product Specifications
| Item | Indicator Range | Demonstration of Strengths |
| Molecular Weight | 6–25 million | Flexibly adjustable based on wastewater type to ensure effective flocculation across diverse scenarios. |
| Degree of Hydrolysis | 10–35% | Uniform hydrolysis ensures superior binding with impurities, preventing localized inefficiencies. |
| Solid Content | ≥90% | High active ingredient concentration; dissolves rapidly (fully soluble within 30 minutes) with no residual impurities. |
| Residual Monomer | ≤0.05% | Complies with environmental standards, ensuring that the treated water quality remains free from secondary pollution. |
Product Application Areas and Case Studies
1. Municipal Sewage Treatment Plant
In a large-scale municipal wastewater treatment project, the anionic polyacrylamide flocculant we supplied was applied in the sedimentation tanks. When used in conjunction with PAC, this product rapidly aggregates suspended solids and organic colloids, thereby reducing effluent turbidity by over 90%.
2. Textile & Dyeing Wastewater Treatment
A textile printing and dyeing factory faced high turbidity, deep color, and difficult-to-treat wastewater. By adding our APAM with PAC, dyestuff particles and suspended contaminants were rapidly flocculated and settled. The treatment system achieved stable operation, COD and chroma decreased significantly, and the factory successfully passed environmental inspections.
3. Mining & Mineral Processing Wastewater
A metal mine had been utilizing a third-party's PAM product for its tailings slurry thickening and process water recovery operations; however, the treated water remained turbid, and water recovery rates were low. Following an assessment and product selection process conducted by our technical specialists, we recommended our anionic flocculant, A7285. This product accelerated the sedimentation of fine mineral particles, clarified the circulating water, and enabled the mine to achieve a water recovery rate exceeding 90%. This initiative significantly reduced water consumption and minimized material loss, thereby enhancing the mine's overall production efficiency.
4. Sand Washing & Aggregate Production
At a specific sand and gravel aggregate production facility, the wastewater generated from sand washing contained substantial quantities of silt and clay. Consequently, the water remained turbid during the sedimentation phase, and during pressure filtration, the flocculated aggregates tended to disintegrate easily, preventing the formation of a solid sludge cake. By utilizing our APAM product, rapid separation of solids and liquids was successfully achieved: the clarified water was directly recycled for reuse, while the sediment was pressed into dry sludge cakes. This solution not only saved the client over 70% of their freshwater resources but also comprehensively resolved the environmental challenges associated with wastewater discharge.
5. Paper Mill White Water Treatment
A paper mill applied our anionic polyacrylamide in white water clarification and fiber retention. The product helped retain fine fibers and fillers, reduced raw material loss, and clarified circulating white water. The paper machine ran more smoothly, and paper formation and strength were improved significantly.
6. Industrial Sludge Dewatering
The wastewater at a certain chemical industrial park is alkaline in nature and exhibits poor treatment efficacy. Following the application of our company's APAM product, the resulting flocs were large in volume and settled rapidly, thereby effectively reducing the wastewater treatment time.
7. River & Lake Dredging Project
During a river ecological dredging project, our anionic flocculant was used to treat high-turbidity dredging slurry. It accelerated the separation of mud and water, reduced turbidity quickly, and protected the water ecosystem. The project was completed efficiently with low cost and good environmental effect.
8. Food Processing Wastewater Treatment
A starch and beverage factory used our APAM to treat high-concentration organic wastewater. It effectively flocculated suspended starch, protein, and colloid impurities, improved biodegradability, and reduced the load of subsequent biochemical treatment. The wastewater treatment system operated stably with low energy consumption.
Factory Introduction
Our factory & quipment
Our professional technical team provides customized product grades, on-site selection tests, and dosing optimization solutions based on customers' actual water quality and working conditions. Strict quality control is implemented throughout the entire process-from raw material inspection to finished product delivery.
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