Kinetics of Sedimentation of a Coagulating Suspension |
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| Authors: | B M Dolgonosov |
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| Affiliation: | (1) Institute of Water Problems, Russian Academy of Sciences, ul. Gubkina 3, Moscow, 119991, Russia |
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| Abstract: | The coagulation–sedimentation kinetics in a spatially heterogeneous disperse system is theoretically analyzed. The expression for the suspension concentration c as a function of time t and depth h is obtained in the form c ～ t ?ε h εν. The concentration of the dispersed phase formed in coagulant hydrolysis depends on the coagulant concentration c 0 as c ～ c 0 ? γ . It is determined how the exponents in the expressions derived are related to the characteristics of the coagulation kinetics and the aggregate size distribution. The results obtained are compared with published experimental data. |
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