Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.cep.2006.09.002
Title: A mathematical model for low-pressure superheated steam drying of a biomaterial
Authors: Suvarnakuta, P.
Devahastin, S.
Mujumdar, A.S. 
Keywords: β-Carotene evolution
Carrot
Deformation
Finite element method
Heat and mass transfer
Liquid diffusion model
Shrinkage
Issue Date: Jul-2007
Source: Suvarnakuta, P., Devahastin, S., Mujumdar, A.S. (2007-07). A mathematical model for low-pressure superheated steam drying of a biomaterial. Chemical Engineering and Processing: Process Intensification 46 (7) : 675-683. ScholarBank@NUS Repository. https://doi.org/10.1016/j.cep.2006.09.002
Abstract: Low-pressure superheated steam drying (LPSSD) has recently received much attention as an alternative drying technique for heat-sensitive biomaterials. Although there are a number of works that report studies of this drying technique experimentally, there are a very limited number of works that report attempts to model this drying process. The aim of the present study was therefore to propose the use of a simple three-dimensional liquid diffusion based model to predict the evolutions of the moisture content and temperature of a product undergoing LPSSD. The effect of the product shrinkage was also included directly in the model and the effect of this inclusion on the predictability of the model is shown. The model was found to be able to predict the heat and mass transfer behavior as well as the change of a selected chemical quality, i.e., β-carotene, of a model biomaterial viz., carrot cube reasonably well over some range of moisture content if accurate values of the heat transfer coefficient were used. © 2006 Elsevier B.V. All rights reserved.
Source Title: Chemical Engineering and Processing: Process Intensification
URI: http://scholarbank.nus.edu.sg/handle/10635/54335
ISSN: 02552701
DOI: 10.1016/j.cep.2006.09.002
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