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Process design of a multistage drying process via flowsheet simulation
Citation Link: https://doi.org/10.15480/882.3616
Publikationstyp
Journal Article
Date Issued
2021-08
Sprache
English
Author(s)
TORE-DOI
TORE-URI
Journal
Volume
93
Issue
8
Start Page
1287
End Page
1294
Citation
Chemie Ingenieur Technik 93 (8): 1287-1294 (2021-08)
Publisher DOI
Scopus ID
Publisher
Wiley-VCH Verl.
Abstract
Multistage drying processes including spray drying and fluidized bed unit operations are challenging to design due to the dependencies of the preceding process steps. Flowsheet simulation offers the possibility to simulate a complete process by the application of suitable short‐cut models. In this contribution a novel model for a spray dryer based on a population balance approach is presented. Furthermore, a dynamic model for a fluidized bed dryer is introduced. Experimental data is used for validation and parameter optimization. The calibrated models are then used to design an industrial drying process of multiple drying stages.
Multistage drying processes including spray drying and fluidized bed unit operations are challenging to design due to the dependencies of the preceding process steps. Flowsheet simulation offers the possibility to simulate a complete process by the application of suitable short‐cut models. In this contribution a novel model for a spray dryer based on a population balance approach is presented. Furthermore, a dynamic model for a fluidized bed dryer is introduced. Experimental data is used for validation and parameter optimization. The calibrated models are then used to design an industrial drying process of multiple drying stages.
A multistage drying process consisting of a spray dryer and fluidized beds is designed using flowsheet simulation. A novel modeling approach is presented for the spray drying. The dynamic modeling of the fluidized bed is based on an adaptation of established models.
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Subjects
Dynamic modeling
Flowsheet simulation
Fluidized bed
Population balance
Spray drying
DDC Class
540: Chemie
660: Technische Chemie
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