A Model for Microwave-Assisted Drying of Leather: Development and Validation

In this work microwave energy is employed in the drying process of leather sheets to achieve an uniform moisture distribution along their entire surface and to obtain an enhanced final quality for this material. In order to obtain a deeper understanding of the process, a new three-stage drying model...

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Bibliographic Details
Published in:The Journal of microwave power and electromagnetic energy 2004-01, Vol.39 (1), p.53-64
Main Authors: Monzó-Cabrera, J., Catalá-Civera, J. M., Plaza-González, P., Sánchez-Hernández, D.
Format: Article
Language:English
Subjects:
electromagnetic field effects
Evaporation
Microwave heating
microwave power
Permittivity
Water
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Summary:In this work microwave energy is employed in the drying process of leather sheets to achieve an uniform moisture distribution along their entire surface and to obtain an enhanced final quality for this material. In order to obtain a deeper understanding of the process, a new three-stage drying model has been derived based on the knowledge of the dielectric properties versus moisture content and the specific energy use during each of the drying periods. The model validation shows a close behavior between experimental and simulated results. The fast convergence of experimental drying curves indicates that a very uniform moisture distribution along the hides can be obtained provided that microwave energy is properly used.
ISSN:0832-7823
DOI:10.1080/08327823.2004.11688508