【摘要】 在用粒径为76μm以下粘土配制的原水和以1%硫酸铝作为混凝剂的混凝沉淀实验中,用电子显微镜和影像捕捉器观察到所形成的絮凝体具有自相似的分形特征,其中混凝剂在原水浊度为185mg/L时的最佳投药量为3.2mg/L,并计算出此时所形成的絮凝体的分形维数为2.0.更多还原

【Abstract】 During flocculation processes,the water is put up by the clay whose grain size is less than 76 μm,and the flocculating agent is aluminium sulphate in which concentration is one percent. The floc formed in flocculation processes has a fractal ,selfsimilar structure which is observed with microscope and electronscanning microscope. When the turbidity of the water is 185 mg/L,the best added quantity is 3.2 mg/L. At this time the fractal dimension of floc is calculated to be 2.0.更多还原