Particle Sizes in Flocculation and Sedimentation: Models and Experiments

by Desmond F. Lawler, Univ of Texas at Austin, Dep of, Civil Engineering, Austin, TX, USA,
Leonard W. Casson, Univ of Texas at Austin, Dep of, Civil Engineering, Austin, TX, USA,



Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age

Abstract:

D. F. Lawler et al. developed a model for flocculation, sedimentation, and filtration and predicted the effects of particle size distribution and concentration of the influent in water treatment plants. Subsequently, Lawler and co-workers obtained data to test the flocculation and sedimentation models. In this paper, the formulation of the model is reviewed, and examples of the experimental results are presented and used to highlight one area of disagreement between the model and experiments.

Subject Headings: Sediment | Particle size distribution | Flocculation | Water treatment | Hydration | Water treatment plants | Mathematical models

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