How PAM Works: Charge Neutralization & Bridging

PAM operates through two key mechanisms:

Charge Neutralization

Cationic PAM molecules carry a positive charge, which attracts and neutralizes negatively charged suspended particles such as clays, organic matter, and microorganisms. This destabilizes the particles, allowing them to aggregate.

Polymer Bridging

The long-chain polymer structure of PAM forms physical “bridges” between destabilized particles, binding them into larger, denser, and stronger aggregates known as flocs.

Key Benefits in Water Treatment

The flocculation process delivers several operational advantages:

Enhanced Sedimentation: Large, heavy flocs settle much faster than fine particles in clarifiers or settling ponds.

Improved Filtration & Dewatering: Flocs are more easily captured by filtration systems and form a porous sludge cake, improving efficiency in centrifugation, belt pressing, and similar processes.

Effective Turbidity & Phosphorus Removal: By removing suspended solids, PAM simultaneously reduces turbidity and eliminates adsorbed pollutants such as phosphorus.

Applications of PAM

PAM is versatile and essential in multiple sectors:

Drinking Water Treatment – clarification of raw water

Municipal Wastewater Treatment – primary clarification, sludge thickening, and dewatering

Industrial Water & Wastewater – used in mining, paper, food processing, and other industries for efficient solid-liquid separation

Conclusion

PAM acts as an efficiency multiplier in water treatment, transforming slow natural settling into a rapid and thorough separation process. The result is clearer effluent, more manageable sludge, lower operational costs, and reliable compliance with environmental standards.

About Henan SECCO Environmental Protection Technology Co., Ltd.

We specialize in providing high-performance PAM products and tailored water treatment solutions. Our expertise helps industrial and municipal clients optimize operations, reduce costs, and meet regulatory requirements effectively.

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