Impact of dynamic distribution of floc particles on flocculation effect

查看全文 作　　者：NAN Jun, HE Weipeng, SONG Xinin, LI Guibai State Key Laboratory of Urban Water Resource and Environment, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China.

出　　处：《Journal of Environmental Sciences》索引2009年第21卷第8期,共7页

基　　金：supported by the National Natural Science Foundation of China (No. 50678047);the National High Technology Research and Development Program of China (No. 2006AA06Z305);the National Science and Technology Project of Eleventh Five Years (No.2006BAJ08B05-2) 摘　　要：Polyaluminum chloride (PAC) was used as coagulant and suspended particles in kaolin water. Online instruments including turbidimeter and particle counter were used to monitor the flocculation process. An evaluation model for demonstrating the impact on the flocculation effect was established based on the multiple linear regression analysis method. The parameter of the index weight of channels quantitatively described how the variation of floc particle population in different size ranges cause the decrement of turbidity. The study showed that the floc particles in different size ranges contributed differently to the decrease of turbidity and that the index weight of channel could excellently indicate the impact degree of floc particles dynamic distribution on flocculation effect. Therefore, the parameter may significantly benefit the development of coagulation and sedimentation techniques as well as the optimal coagulant selection. 关键词：悬浮颗粒絮凝效果动态分布多元线性回归分析絮体指标权重聚合氯化铝粒子计数器

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Impact of dynamic distribution of floc particles on flocculation effect

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