화학공학소재연구정보센터
Chemical Engineering Science, Vol.51, No.3, 341-351, 1996
A Minimal Potential-Energy Model for Predicting Stratification Pattern in Binary and Ternary Solid-Liquid Fluidized-Beds
Predicting the stratification pattern of a binary or ternary solid-liquid fluidized bed requires not only the calculation of the volume fractions of particles in mixed and mono-component layers but also the specification of the order and the thickness of the layers in the bed. A model was developed for such prediction on the hypothesis that the total potential energy of particles in a bed is minimal. Experiments were carried out for a solid system consisting of glass beads, activated carbon and acrylic particles. The experimental results verified the predicted stratification patterns computed on the basis of the hypothesis adopted in this study.