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Home > polyalminimum chloride（PAC) > China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment
China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment
China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment
China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment
China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment
China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment
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China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment
China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment
China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment
China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment
China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment

China Suppliers of Anionic Polyacrylamide (APAM) - Effective Flocculant from Factory for Water Treatment

Anionic Polyacrylamide (APAM) is a highly effective water-soluble polymer characterized by its negatively charged molecular chains (-COO⁻). This versatile flocculant works through the dual mechanism of electrical neutralization and adsorption bridging with positively charged suspended solids, such as sediments and colloids, including iron hydroxide particles, present in water. APAM facilitates rapid coagulation and sedimentation, making it an essential solution for high-turbidity applications, including municipal sewage treatment, papermaking wastewater management, and mining wastewater processing. As a leading product from top suppliers in China, our APAM is produced in state-of-the-art factories, ensuring the highest quality and performance for all your water treatment needs
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Product Description

Core Features

▶ Precise Molecular Weight Control: The molecular weight of anionic PAM ranges from 12 million to 20 million (adjustable), with long and uniform molecular chains, showing significant flocculation effects on high-turbidity wastewater (turbidity ≤ 5000 NTU), and the turbidity removal rate is ≥ 95%.
▶ Fast Dissolution, Low Residue: The dissolution time of powder PAM ≤ 60 minutes (at room temperature), after dissolution, the flocs are large and settle quickly (settling speed is 25%–40% faster than conventional products), and it works better when used in combination with PAC. Water insoluble matter ≤ 0.5%.
Anionic polyacrylamide (APAM) (1)
Anionic polyacrylamide (APAM) (5)
▶ Strong Tolerance: Resistant to acid and alkali (pH 5–10), has a stable effect on papermaking black liquor (high alkalinity) and mine acidic wastewater (low pH), and does not corrode pipes or equipment.

Technical Parameters

Parameter Industrial Grade Drinking Water Grade
Al2O3 Content, % ≥ 28.0 29.0
Basicity, % 20~98 45.0~90.0
Mass fraction of insoluble substances, % ≤ 0.4 0.1
pH (10g/L aqueous solution) 3.5~5.0 3.5~5.0
Mass fraction of Fe, % ≤ 1.5 0.2
Mass fraction of As, % ≤ 0.0005 0.0001
Mass fraction of Cr, % ≤ 0.005 0.0005
Mass fraction of Hg, % ≤ 0.00005 0.00001
Mass fraction of Pb, % ≤ 0.002 0.0005
Mass fraction of Cd, % ≤ 0.0005 0.0001

Application Areas

▶ Municipal Sewage: Flocculation in the primary sedimentation tank and secondary sedimentation tank of urban domestic sewage treatment plants to reduce SS (suspended solids) to below 10 mg/L.
▶ Paper Mill Wastewater: Delignification of pulping black liquor, white water recovery (fiber collection rate increased by 15%–20%).
▶ Mine / Coal Washing Wastewater: Clarification of coal slurry water (collection rate of flotation clean coal increased by 8%–12%), flocculation and sedimentation in tailings pond.
▶ Building Materials Wastewater: Production wastewater from cement plants and ceramic factories removes suspended solids (turbidity reduced from 2000 NTU to 50 NTU).
Application (3)
Application (1)
Application (5)
Application (2)

Packaging and Storage

▶ Solid Powder: 25 kg woven bag lined with plastic bag / 1 ton jumbo bag (customizable English / customer logo packaging available).
▶ Storage Conditions: Store in a cool, dry place (temperature ≤ 35°C), avoid direct sunlight; the shelf life of the solid is 2 years (unopened).
PAM English packaging (3) Solid pallet

Frequently Asked Questions (FAQ)

QWhat is anionic polyacrylamide (APAM) and how does it work?
Anionic polyacrylamide (APAM) is a water-soluble polymer with negatively charged functional groups. It works by adsorbing suspended particles in water, bridging them together to form large flocs that settle quickly, effectively clarifying wastewater and reducing turbidity.
QWhat molecular weight range is available for anionic PAM?
Our anionic PAM is available in molecular weights ranging from 12 million to 20 million, which is adjustable based on your specific application requirements. Higher molecular weights generally provide stronger flocculation performance for high-turbidity wastewater.
QWhat pH range is anionic PAM suitable for?
Anionic PAM is resistant to both acid and alkali environments, performing stably within a pH range of 5 to 10. This makes it suitable for treating both papermaking black liquor (high alkalinity) and mine acidic wastewater (low pH) without corroding pipes or equipment.
QCan anionic PAM be used together with PAC (Polyaluminum Chloride)?
Yes. Anionic PAM works synergistically with PAC. PAC acts as a coagulant to destabilize fine particles, while APAM further bridges and aggregates the micro-flocs into larger, faster-settling flocs. Using them in combination significantly improves treatment efficiency and reduces chemical dosage.
QHow should anionic PAM powder be dissolved before use?
The powder should be dissolved in clean water at room temperature. Dissolution time is ≤ 60 minutes. It is recommended to prepare a 0.1%–0.3% aqueous solution by slowly adding the powder to water with gentle stirring to avoid lumping. Avoid using hot water or high-speed mixing that could degrade the polymer chains.
QWhat are the storage requirements and shelf life of anionic PAM?
Anionic PAM should be stored in a cool, dry environment with a temperature not exceeding 35°C, away from direct sunlight and moisture. The shelf life of the unopened solid product is 2 years. Once dissolved into solution, it should be used within 24–48 hours to maintain optimal performance.

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