聚二甲基二烯丙基氯化铵在原水处理中的应用及机制研究进展

Research Progresses in the Application and Mechanism of Poly-Dimethyldiallylammonium Chloride in Raw-water Treatment

对聚二甲基二烯丙基氯化铵(PDMDAAC)在原水处理中的应用及作用机理研究进展进行了综述。在介绍PDMDAAC结构与性质基础上,综述了近年来PDMDAAC在原水处理中作为混凝助剂的应用,强化混凝机制,和用于供水处理时的安全性问题等方面的研究进展。强调了PDMDAAC通过与无机混凝剂制得复合混凝剂用于原水强化混凝处理制取饮用水的方法的优势。指出结合机理研究展开复合混凝剂针对不同地表水水质特点的应用工艺研究,以提高其应用性能,是今后工作的方向。

The research progress in the application and mechanism of poly-dimethyldiallylammonium chloride（PDMDAAC） in raw-water treatment was summarized.After the introduction of the structure and properties of PDMDAAC,the development of application technology,the mechanism of enhanced coagulation and the security of PDMDAAC in potable water production were reviewed.The advantages of the technology of using composite coagulants containing PDMDAAC in the treatment of polluted raw water for potable water production were emphasized.It was indicated that the research of application technology,combined with mechanism research,was one of the development directions in the future for improving the performance of composite coagulant in the treatment of raw water of different quality.