China Anionic Polyacrylamide (APAM) Suppliers in China - Premium Flocculant for Water Treatment Factory Manufacturers, Factory

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China Anionic Polyacrylamide (APAM) Suppliers in China - Premium Flocculant for Water Treatment Factory Manufacturers, Factory

Anionic Polyacrylamide (APAM) is a highly effective water-soluble polymer characterized by its negatively charged molecular chains (-COOâ»). This powerful flocculant serves as a vital solution for treating high-turbidity wastewater, including municipal sewage, papermaking effluents, and mining wastewater. By utilizing the electrical neutralization and adsorption bridging mechanism, APAM efficiently interacts with positively charged suspended solids and colloidal particles, promoting rapid coagulation and sedimentation. As a leading product from China, APAM is widely supplied by various suppliers and manufactured in advanced factories, ensuring high quality and efficacy in water treatment processes

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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%.

🛡️ 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 Area

🏛️

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).

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).

Frequently Asked Questions

What is the molecular weight range of anionic polyacrylamide (APAM), and why does it matter?

Anionic PAM has an adjustable molecular weight ranging from 12 million to 20 million. A higher molecular weight means longer molecular chains, which create stronger bridging between suspended particles, resulting in larger, faster-settling flocs. This directly improves turbidity removal efficiency — achieving ≥ 95% removal in high-turbidity wastewater (≤ 5000 NTU).

How long does anionic PAM powder take to dissolve, and how should it be prepared?

At room temperature, anionic PAM powder dissolves within 60 minutes. It is recommended to slowly add the powder to clean water while stirring gently to avoid clumping. For best results, prepare a 0.1%–0.3% aqueous solution before dosing into the wastewater system. Combining with PAC (Polyaluminum Chloride) can further enhance flocculation performance.

What pH range is anionic PAM effective in, and is it suitable for both acidic and alkaline wastewater?

Anionic PAM is effective across a pH range of 5–10, making it suitable for both acidic and alkaline wastewater. It performs stably in papermaking black liquor (high alkalinity) as well as in mine and coal washing acidic wastewater (low pH), and it does not corrode pipes or treatment equipment.

What industries can anionic polyacrylamide be used in?

Anionic PAM is widely used across multiple industries including municipal sewage treatment (reducing SS to below 10 mg/L), paper mill wastewater (white water recovery with 15%–20% improved fiber collection), mine and coal washing wastewater (8%–12% higher flotation clean coal recovery), and building materials wastewater from cement and ceramic plants (turbidity reduced from 2000 NTU to 50 NTU).

What packaging options are available for anionic PAM, and what are the storage requirements?

Anionic PAM is available in 25 kg woven bags lined with plastic inner bags, or in 1-ton jumbo bags. Custom English labeling and customer logo packaging are also available. For storage, keep the product in a cool, dry environment at temperatures ≤ 35°C, away from direct sunlight. Unopened solid product has a shelf life of 2 years.

What is the difference between Industrial Grade and Drinking Water Grade anionic PAM?

The primary differences lie in purity and heavy metal content. Drinking Water Grade has a higher minimum Al₂O₃ content (29.0% vs 28.0%), a stricter basicity range (45.0%–90.0% vs 20%–98%), and significantly lower limits for heavy metals such as Fe, As, Cr, Hg, Pb, and Cd — ensuring safety for potable water treatment applications. Industrial Grade is suitable for general wastewater treatment where drinking water standards are not required.

Product Detail

China Anionic Polyacrylamide (APAM) Suppliers in China - Premium Flocculant for Water Treatment Factory Manufacturers, Factory

Product Description

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Product Detail

China Anionic Polyacrylamide (APAM) Suppliers in China - Premium Flocculant for Water Treatment Factory Manufacturers, Factory

Product Description

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