Scaling Up of Osmotic Distillation from Laboratory to Pilot Plant for Concentration of Fruit Juices
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A. V. Bui
und H. M. Nguyen
A step-by-step procedure for scaling up of an osmotic distillation system from laboratory to pilot plant is discussed. The newly built pilot scale OD system featured a flexibility of using 1 or 2 hollow fibre modules at a time to suit the concentration demands. Three types of hollow fibres were tested on the new system. Pilot trials for OD concentration of apple, grape juices and freeze concentrated (FC) grape juice were successfully carried out to achieve a final concentration up to 65°Brix with fluxes ranging from 2.4 to 0.69kg.m-2.h-1 depending on the fibre types and the operating conditions. Cascade effect was also employed to deal with high viscosity to achieve high concentration. The obtained pilot OD fluxes were comparable to the ones obtained in the lab under similar conditions, and they fitted well with the developed models. Sensory evaluation indicated that OD well preserved the quality attributes of the fruit juices.
©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston
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Artikel in diesem Heft
- Article
- Three-Dimensional Mathematical Modeling of Microbiological Destruction of Bacillus stearothermophilus in Conductive Baby Food Packed in Glass Container
- Microbial and Physico-Chemical Characteristics of Dried Meat Processed by Different Methods
- A Study on the Preservation of Vegetable Juices Using Quasi-Nanoscale Silver Particles
- Scaling Up of Osmotic Distillation from Laboratory to Pilot Plant for Concentration of Fruit Juices
- Shorter Communication
- Measurement of Surface Tension of Homogenised Milks