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Measurement of residence time distributions in a continuously operated spouted bed
Citation Link: https://doi.org/10.15480/882.2757
Publikationstyp
Journal Article
Date Issued
2020-03-04
Sprache
English
TORE-DOI
TORE-URI
Volume
43
Issue
5
Start Page
804
End Page
812
Citation
Chemical Engineering and Technology 5 (43): 804-812 (2020-05-01)
Publisher DOI
Scopus ID
Publisher
Wiley-VCH Verl.-Ges.
Continuous gas-solid processes are applied in many industries with particulate products, e.g. for granulation or coating. In this contribution, the residence time behavior in a continuously operated prismatic spouted bed was determined by applying an impulse of magnetizable tracer particles. Experiments were performed with the original configuration and with separation plates including mouse holes of varying size between the different chambers of the ProCell 25 apparatus. It is shown that the shape of the residence time distribution is influenced by the separation plates. In order to quantify the backmixing between the chambers, discontinuous experiments were performed, and the bed mass distribution and the distribution of the tracer were measured and compared to the initial conditions.
Subjects
Backmixing
Chamber separation
Horizontal spouted bed
Magnetizable tracer particles
Residence time distribution
DDC Class
540: Chemie
600: Technik
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