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A cationic polymeric flocculant was chosen becasue its hydrolysate with positive ammonium group enhanced the adsorption of residual COD and improved the flocculation efficiency.
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选择阳离子高分子絮凝剂,由于其水解产物带有正电荷铵盐基团,加强了残存COD的吸附,完善了絮凝分离过程。
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