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Contribution of fouling and gel polarization during ultrafiltration of raw apple juice at industrial scale
, Article Desalination ; Volume 258, Issue 1-3 , 2010 , Pages 194-200 ; 00119164 (ISSN) ; Tabatabaee Nezhad, S. A. R ; Soltanieh, M ; Roostaazad, R ; Khoshfetrat, A. B ; Sharif University of Technology
2010
Abstract
The flux behavior during the industrial cross-flow ultrafiltration of apple juice in a batch process was modeled using a combination of the fouling and concentration polarization models. It was observed that the major flux reduction was at the beginning and at the end of operation due to fouling and increasing solute concentration in the feed tank, respectively. The fouling phenomenon was analyzed by classical and empirical models and it was shown that the empirical one has the best correlation within less than 0.3% error for each experiment. The most significant advantage of this model is its ability to predict a steady flux, while other models predict zero flux at infinite time, which is...