Mathematical modeling of crossflow microfiltration of diluted malt extract suspension by tubular ceramic membranes |
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Authors: | Mohammad Amin Kazemi Mohammad Soltanieh Mehdi Yazdanshenas |
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Affiliation: | 1. Chemical and Petroleum Engineering Department, Sharif University of Technology, Azadi Avenue, P.O. Box 111 55 9694, Tehran, Iran;2. Department of Research and Development of Iran Behnoush Co., Tehran, Iran |
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Abstract: | The practical application of microfiltration in brewing industry is hindered by severe membrane fouling and subsequent permeate flux decline. A theoretical and experimental study on the effect of operating parameters, which influence the crossflow microfiltration of beer and beer quality was performed. A mathematical model is developed to better understanding of the fouling layer characteristics. The experiments were conducted for different ranges of pressures, temperatures and shear rates. An optimum transmembrane pressure of 1.1 bar is suggested to maximize both the steady state and average permeate fluxes. The results of numerical simulation were in a good accordance with the experimental data. |
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Keywords: | Modeling Cake formation Flux decline Crossflow membrane microfiltration Diluted malt extract |
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