Please use this identifier to cite or link to this item: https://doi.org/10.1080/07373930600558946
Title: Design and modeling of plug flow fluid bed dryers
Authors: Wanjari, A.N.
Thorat, B.N.
Baker, C.G.J.
Mujumdar, A.S. 
Keywords: Axial dispersion
Dryer dimensions
Fluid bed dryer
Mathematical model
Plug flow
Scale-up
Issue Date: 2006
Source: Wanjari, A.N., Thorat, B.N., Baker, C.G.J., Mujumdar, A.S. (2006). Design and modeling of plug flow fluid bed dryers. Drying Technology 24 (2) : 147-157. ScholarBank@NUS Repository. https://doi.org/10.1080/07373930600558946
Abstract: Plug flow fluid bed dryers (PFFBD) have been used for drying of particulate solids such as salts, ion exchange resins, grains, and a variety of other products. The present article describes the use of a mathematical model for the scale-up of lab-scale batch fluidization data to design an industrial-scale PFFBD. Axial dispersion theory was used in conjunction with the tanks-in-series model to describe the non-ideal flow. The model was implemented in Matlab 6.5 and it can be used for easily fluidizing particulate materials. The proposed model is capable of analyzing both the exponential falling rate and constant rate drying periods. The model predicts the required dryer dimensions for a given throughput and desired final moisture content. The model can also be used to study the effect of different process parameters such as solids feed rate, inlet air velocity, and temperature on the required dryer dimensions and it can also be used to predict the moisture and temperature profiles along the length of the PFFBD. Copyright © 2006 Taylor & Francis Group, LLC.
Source Title: Drying Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/59862
ISSN: 07373937
DOI: 10.1080/07373930600558946
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