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《Journal of Wuhan Urban Construction Institute》 2003-03
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Fractal Floc During Flocculation Processes and the Finding of Fractal Dimension

LU Xiejuan1 LI Meng2 TANG Youyao1 (1.School of Envir. Sci. & Eng.,HUST,Wuhan 430074 China; 2.School of Civil Eng.& Architecture, WUT, Wuhan 430074, China)  
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.
【CateGory Index】: X703
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