Modeling flux behavior for membrane filtration of apple juice |
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| Affiliation: | 1. Département de Génie Chimique, Université de Sherbrooke, Sherbrooke, PQ, Canada J1K 2R1;2. Pacific and Agri-Food Research Centre, Summerland, BC, Canada V0H 1Z0;3. Department of Chemical Engineering, University of Waterloo, Waterloo, ON, Canada N2L 3G1;1. Eskisehir Osmangazi University, Faculty of Medicine, Department of Pediatric Surgery, Eskisehir, Turkey;2. Eskisehir Osmangazi University, Faculty of Medicine, Department of Plastic and Reconstructive Surgery, Eskisehir, Turkey;3. Eskisehir Osmangazi University, Faculty of Medicine, Department of Anatomy, Eskisehir, Turkey;4. Eskisehir Osmangazi University, Faculty of Engineering, Department of Metallurgy and Materials Engineering, Eskisehir, Turkey;1. A.M. Prokhorov General Physics Institute, Vavilov st. 38, 119991 Moscow, Russia;2. University of Rostock, Institute of Physics, Albert-Einstein-Str. 23-24, 18051 Rostock, Germany |
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| Abstract: | The flux behavior of ceramic membranes with different pore sizes (0.2, 0.1 and 0.02 μm) was examined during dead-end membrane filtration of depectinized control (CTJ) and ascorbic acid treated (AAJ) apple juices. A new model based on an expanded exponential relationship was developed. The model represented the flux with precision over the entire filtration process for both juice types and all membrane pore sizes. Two parameters, A and B, provided a measure of the rate of flux decline. The same approach was used to model the permeate flux of CTJ for various 0.2 μm pore size polymeric membrane materials operated in a dead-end mode, and for tubular ultrafiltration membranes of different pore sizes (9, 20 and 100 kDa) operated in crossflow mode. |
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