Amphoteric PAM
High-Efficiency Amphoteric PAM Polymer for Complex Industrial Wastewater Treatment
Amphoteric polyacrylamide CAS 9003-05-8 offers ≥88% solid content for sludge dewatering, mixed wastewater treatment, and solid-liquid separation. Its dual-charge structure helps bind organic matter, inorganic particles, and suspended solids under shifting pH conditions. In addition, dense floc formation improves water release and supports steadier treatment performance in demanding systems.
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Data Sheet
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Formula:
(C₃H₅NO)ₙ
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CAS Number:
9003-05-8
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Solid Content
≥ 88%
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Product Name
Amphoteric Polyacrylamide
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Appearance:
White Granular Powder
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pH Range:
4 – 11
Amphoteric Polyacrylamide for Complex Sludge Dewatering
Amphoteric polyacrylamide is a water-soluble polymer flocculant for wastewater streams with unstable pH, changing sludge composition, and mixed contaminants. Identified as CAS 9003-05-8, this AmPAM grade provides ≥88% solid content for sludge conditioning, clarification, and solid-liquid separation.
Vanchor produces this polymer through a controlled ternary copolymerization process. The process combines cationic monomers, acrylamide, and hydrolyzing agents. As a result, the molecular chain carries both positive and negative charges. This amphoteric structure helps the polymer interact with suspended solids, organic matter, and inorganic particles in one treatment system.
Dual-Charge Flocculant for Variable Wastewater Conditions
In practice, wastewater properties often change during production. pH levels may shift. Sludge concentration may rise or fall. At the same time, fine particles, oils, and dissolved organic materials may enter the same system. Amphoteric PAM helps gather these materials into stronger flocs, which improves settling, filtration, and mechanical dewatering.
Compared with single-charge anionic or cationic polyacrylamide, this grade handles more complex water conditions. It can maintain floc formation when contaminants carry different surface charges. In addition, dense flocs release water more easily during dewatering. Operators can improve sludge handling and reduce process fluctuation when treatment loads change.
This product suits industrial wastewater treatment, municipal sludge dewatering, papermaking wastewater, textile effluent, mining wastewater, food processing wastewater, and chemical plant treatment systems. Beyond this, treatment teams can adjust dosage and solution concentration according to water quality, equipment type, and sludge characteristics.
For procurement planning, CAS 9003-05-8 and ≥88% solid content help confirm product identity and specification consistency. Vanchor combines controlled production, quality checks, and export supply experience to provide stable Amphoteric Polyacrylamide for long-term industrial treatment programs.
How to Use Amphoteric PAM
To ensure optimal performance, follow these preparation steps.
1. Prepare Polymer Solution
Dissolve Amphoteric Polyacrylamide in clean water to create a 0.1%–0.2% aqueous solution.
2. Optimize Chemical Synergy
When used as a flocculant, AmPAM often reduces the total chemical dosage compared with using separate anionic or cationic polymers.
3. Conduct Jar Testing
For best results, perform a jar test to determine the ideal dosage and cationic/anionic balance for your wastewater conditions.
4. Storage Requirements
AmPAM is hygroscopic, so proper storage is essential: Store in a cool, dry, and ventilated warehouse, Protect from moisture, Keep packaging sealed tightly after opening,Shelf life: 24 months under proper storage conditions.
Main Applications of Amphoteric PAM
Industrial Sludge Dewatering
AmPAM is particularly effective for difficult sludge types, including:
- Municipal sewage sludge
- Oil refinery sludge
- Petrochemical wastewater sludge
- Chemical plant sludge
Its dual-charge structure helps capture both organic and inorganic particles, producing more stable flocs and improved filtration performance.
Construction & Civil Engineering
In construction projects, Amphoteric Polyacrylamide is used for:
- Construction slurry treatment
- Tunnel excavation wastewater
- Soil stabilization
- Mud and sediment clarification
This helps improve site water recycling and environmental compliance.
River Dredging & Port Sediment Treatment
AmPAM is widely used for river dredging and sediment management.
- Treatment of riverbed sediments (containing complex mixtures of organic matter, minerals, and silt)
- Large-scale dredging projects
This helps efficiently treat sediments and improves the environmental adaptability and operational efficiency of dredging works.
Paper & Pulp Industry
In the paper industry, Amphoteric Polyacrylamide functions as a multi-purpose additive, including:
- Retention aid
- Drainage aid
- Fiber recovery agent
This improves paper production efficiency and reduces raw material loss.
Amphoteric PAM Technical Specifications
Amphoteric PAM
Amphoteric PAM
| Product Name | Amphoteric Polyacrylamide |
| Abbreviation | AmPAM |
| Appearance | White Granular Powder |
| Polymer Type | Amphoteric Polymer (Dual Charge) |
| Molecular Weight | 8 – 15 Million |
| Charge Type | Both Cationic & Anionic |
| Solid Content | ≥ 88% |
| Dissolution Time | ≤ 60 Minutes |
| Recommended Solution Concentration |
0.1% – 0.2% |
| pH Range | 4 – 11 |
| Packaging | 25kg Kraft Paper Bags / Jumbo Bags |
Packaging and Supply Options
We provide flexible packaging solutions for global industrial buyers.
Why Choose Vanchor Amphoteric PAM
Dual-Charge Polymer Structure
AmPAM contains both positive and negative ionic groups, allowing it to capture a wider range of particles compared with single-charge polymers.
Excellent Performance in Variable Water Chemistry
Because of its amphoteric molecular chain, AmPAM performs well even when pH levels fluctuate or wastewater composition changes.
Superior Sludge Dewatering Efficiency
Specifically designed for difficult industrial sludge, AmPAM produces drier filter cakes and faster water release during sludge dewatering.
Reduced Surface Tension
Amphoteric Polyacrylamide significantly reduces surface tension, allowing faster floc formation and improved separation efficiency.
Rapid Dissolution
The polymer dissolves quickly in water within 60 minutes, ensuring smooth operation in industrial water treatment systems.
Customizable Polymer Formulation
We can adjust the cationic and anionic ratio of the polymer to meet the specific requirements of your sludge composition and wastewater chemistry.
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Amphoteric PAM Supplier for Global Markets
As a professional Amphoteric PAM manufacturer and exporter, we supply customers in:
- Europe
- Middle East
- Southeast Asia
- South America
- Africa
Amphoteric PAM FAQs
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