Accurate prediction of liquid-solid fluidized bed porosity in drinking water treatment processes using empirical data-driven genetic programming models
Onno Kramer (TU Delft - Complex Fluid Processing, Waternet, Hogeschool Utrecht)
Yousef M.F. El Hasadi (TU Delft - Complex Fluid Processing)
Peter de Moel (TU Delft - Sanitary Engineering, Omnisys)
Eric T. Baars (Waternet)
Johan Padding (TU Delft - Complex Fluid Processing)
JP Hoek (Waternet, TU Delft - Sanitary Engineering)
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Abstract
For an accurate prediction of the porosity of a liquid-solid homogenous fluidized bed, various empirical prediction models have been developed. Symbolic regression machine learning techniques are suitable for analyzing experimental fluidization data to produce empirical expressions for porosity as a function not only of fluid velocity and viscosity but also of particle size and shape. On the basis of this porosity, it becomes possible to calculate the specific surface area for reactions for seeded crystallization in a fluidized bed.