阳离子型聚丙烯酰胺在强酸性环境下的絮凝

Flocculation Performance of Cationic Polyacrylamide Under the Condition of Strong Acidic Liquid

摘要: 通过使用阳离子型聚丙烯酰胺（CPAM）对泥沙含固量为50%的强酸性土壤清洗废水进行絮凝沉淀处理，结果表明：在强酸性环境下，阳离子型聚丙烯酰胺依然具有稳定高效的絮凝性能，当相对分子质量为1400万、离子度为30%、用量在13mg/L时，阳离子型聚丙烯酰胺的絮凝性能非常优异，能在1h内将泥沙含固量降至6%。

Abstract: Cationic polyacrylamide(CPAM) was selected to treat the waste water with 50% solid sediment from soil-washing process. It was found that CPAM still performed well under the condition of strong acidic turbid liquid. With the relative molecular mass of 14 million and the ion density of 30%, and at mass concentration is 13 mg/L, CPAM exhibits the best flocculation performance, which reduces the content of solid sediment to 6% within one hour.