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Convection-Diffusion Analysis of Sedimentation in Initially Dilute Solids-Suspensions

by Raymond N. Yong, McGill Univ, Geotechnical Research, Cent, Montreal, Que, Canada,
Diaa S. Elmonayeri, McGill Univ, Geotechnical Research, Cent, Montreal, Que, Canada,



Document Type: Proceeding Paper

Part of: Sedimentation Consolidation Models?Predictions and Validation

Abstract:

The settling of suspended solids in solids-suspensions is treated from the viewpoint of the relative fluxes established as a result of the upward diffusion of water and the downward convection of the solids. Calculated diffusion coefficients are used to predict the settling rate of the solids and the solids concentration profile. Predictions for various experiments and a field settling pond are compared with measured values.

Subject Headings: Turbidity | Sediment | Diffusion (porous media) | Wastewater treatment | Water treatment | Sludge | Lagoons

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