PAFS混凝剂处理南方低浊水的混凝试验研究
Journal of Harbin University of Commerce(Natural Sciences Edition)（2006）
Abstract
试验以低浊度的某江水为原水,采用一种新型的聚硅酸金属盐混凝剂(Polysilicic acid,Alu- minium and Ferric Salt,缩写为PAFS)进行净化试验．通过试验测定投加不同Al与Fe物质的量的比值的聚硅酸金属盐混凝剂混凝沉淀后水的余浊、色度、残余铝质量浓度及总铁质量浓度,比较了Al与Fe物质的量的比值对聚硅酸金属盐混凝剂的影响,及所表现出来混凝效果的差异．并分析了PAFS混凝机理是吸附架桥和电中和作用共同结果,初步验证了这种混凝剂处理低浊水质的适应性．
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Key words
aluminium and ferric salt(PAFS),polysilicic acid,coagulation mechanism,coagulation
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