ROLE OF COAGULATION IN THE KINETICS OF SEDIMENTATION

被引:93
作者
FARLEY, KJ [1 ]
MOREL, FMM [1 ]
机构
[1] MIT,RM PARSONS LAB,48-425,CAMBRIDGE,MA 02139
关键词
MATHEMATICAL MODELS - WATER TREATMENT - Coagulation;
D O I
10.1021/es00144a014
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The combined results of analytical, numerical, and laboratory studies are used in examining the kinetic behavior of sedimentation in well-mixed systems. The rate of mass removal of solids, dC/dt, as a function of mass concentration C, can be described as the sum of three power laws, dC/dt equals minus B//d//sC**2**. **3-B//s//hC**1**. **9-B//bC**1**. **3, each term of which corresponds to a particular coagulation mechanism: differential settling, shear, and Brownian motion. Empirical relationships for the coefficients B//d//s, B//s//h, and B//b as a function of system parameters are provided.
引用
收藏
页码:187 / 195
页数:9
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