Simulation of the cake formation and growth in cake filtration

A computer model was developed to simulate the cake formation and growth in cake filtration at an individual particle level. The model was shown to be able to generate structural information and quantify the cake thickness, average cake solidosity, filtrate volume, filtrate flowrate for constant pre...

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Bibliographic Details
Published in:Minerals engineering 2006-08, Vol.19 (10), p.1084-1097
Main Authors: Ni, L.A., Yu, A.B., Lu, G.Q., Howes, T.
Format: Article
Language:English
Subjects:
Cake filtration
Packing structure
Particle mixtures
Simulation
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Summary:A computer model was developed to simulate the cake formation and growth in cake filtration at an individual particle level. The model was shown to be able to generate structural information and quantify the cake thickness, average cake solidosity, filtrate volume, filtrate flowrate for constant pressure filtration or pressure drop across the filter unit for constant rate filtration as a function of filtration time. The effects of particle size distribution and key operational variables such as initial filtration flowrate, maximum pressure drop and initial solidosity were examined based on the simulated results. They are qualitatively comparable to those observed in physical experiments. The need for further development in simulation was also discussed.
ISSN:0892-6875
1872-9444
DOI:10.1016/j.mineng.2006.03.012