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Title: Reducing energy consumption in spray drying by monodisperse droplet generation: Modelling and simulation
Authors: Atuonwu, JC
Stapley, AGF
Issue Date: 2017
Publisher: Elsevier
Citation: Energy Procedia, 123: pp. 235 - 242, (2017)
Abstract: The possibilities of reducing energy consumption in spray drying by monodisperse droplet generation have been explored. From heat/mass balances and droplet travel dynamics in a single-stream spray dryer, correlations have been established for the drying gas temperatures that satisfy given outlet product moisture contents for droplet streams of different diameters-with skimmed milk as a case study. The results suggest that energy consumption can be reduced by up to 90%, compared to what obtains in a conventional system that produces droplet sizes up to 10 times the desired size. An experimental single-stream monodisperse droplet dryer, based on piezoelectric atomisation has been constructed, with an imaging system for future validation studies.
ISSN: 1876-6102
Appears in Collections:Dept of Electronic and Computer Engineering Research Papers

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