Difference and application of cationic, anionic and ...
2021-5-15 · Use difference. Nonionic polyacrylamide use. Sewage treatment agent: when the suspended sewage is acidic, it is more suitable to use nonionic polyacrylamide as flocculant. PAM plays an important role in bridging adsorption, which makes suspended particles produce flocculation and sedimentation, and achieves the purpose of purifying sewage.
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