Phosphate-based treatment programs often suffer from calcium phosphate scaling, which is harder to remove than carbonate scale. AA-AMPS copolymer is specifically designed to tackle this problem. The sulfonic acid groups in AA-AMPS provide steric stabilization and electrosteric repulsion, preventing calcium phosphate crystals from adhering to surfaces. Tests have shown that AA-AMPS outperforms other polymers like polyacrylic acid in phosphate-containing systems. For utilities using phosphate corrosion inhibitors, adding AA-AMPS to the formulation is a game-changer.
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