Polyacrylamide (PAM) is mainly used as a flocculant in the treatment ofshield mud waste slurry to accelerate solid-liquid separation. Throughcharge neutralization and adsorption bridging, it allows the fineparticles and suspended matter in the waste slurry to quickly condenseinto larger flocs, which are convenient for sedimentation or filtrationseparation, thereby effectively purifying the water quality. At the sametime, PAM can also improve dehydration efficiency, reduce sludgevolume, and reduce subsequent treatment costs. Its application notonly improves the efficiency of waste slurry treatment, but also reducesenvironmental pollution, helping the environmental protection and sustainable development of shield construction.
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