Modeling flotation separation in a semi-batch process |
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Authors: | Frederick Bloom |
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Affiliation: | a Department of Mathematical Sciences, Northern Illinois University, DeKalb, IL 60115, USA b Department of Mechanical Engineering, Iowa State University, 2026 H.M. Black, Engineering Building, Ames, IA 50011-2161, USA |
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Abstract: | A model for a semi-batch flotation separation process has been developed, based on available microprocess probabilities, and compared to experimental data obtained using a WEMCO laboratory flotation cell. In general, the model predicts the correct experimental trends. In many cases, the model also predicts removal efficiency very well. Parametric studies reveal that the model predictions are sensitive to a stability parameter, the turbulent energy density in the flotation cell, the contact angle between the solid particle and fluid, and the ratio of initial-to-critical film thickness. |
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Keywords: | Flotation Hydrodynamics Kinetics Modeling Particle processing Unit operations |
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