二甲基二烯丙基氯化铵聚合物的除浊性能研究

研究了二甲基二烯丙基氯化铵聚合物（PDMDAAC）系列絮凝剂对高岭土模拟水样的除浊效果及其影响因素；借助于微电泳技术，探讨了该系列絮凝剂的絮凝机理，并考察了其与PAC复配的除浊效果。实验结果表明：PDMDAAC系列絮凝剂具有优良的除浊效果，尤其对于高浊水；絮凝剂的特性粘度越高，阳离子度越高，除浊效果载好；PDMDAAC系列絮凝剂具有电中和和吸附架桥两种功能，与PAC复配，PDMDAAC系列絮凝剂可使除浊效果更佳而且可以降低处理成本。

Study on property of turbidity removal of PDMDAAC flocculant series

The efficiencies of turbidity removal of PDMDAAC flocculant series used to treat the test water of kaolinite have been studied. By the microelectrophoretic technique, the flocculation mechanism of PDMDAAC flocculant series is discussed. Their efficiencies of turbidity removal used with PAC have also been tested. The experimental results show that PDMDAAC flocculant series have excellent efficiencies of turbidity removal, especially to the water with high turbidity. The greater the intrinsic viscosity and cationicity of flocculants, the better the efficiency of turbidity removal. The flocculation mechanism of PDMDAAC flocculant series is the combination of charge neutralization and adsorption bridge formation. Used with PAC, PDMDAAC flocculant series can make the efficiency of turbidity removal better and lower the cost of treatment.