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  4. Scale-up strategies of jet loop reactors for the intensification of mass transfer limited reactions
 
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Scale-up strategies of jet loop reactors for the intensification of mass transfer limited reactions

Citation Link: https://doi.org/10.15480/882.4542
Publikationstyp
Journal Article
Date Issued
2022-08
Sprache
English
Author(s)
Maly, Marc  
Schaper, Steffen  
Kuwertz, Rafael  
Hoffmann, Marko  
Heck, Joachim  
Schlüter, Michael  orcid-logo
Institut
Mehrphasenströmungen V-5  
TORE-DOI
10.15480/882.4542
TORE-URI
http://hdl.handle.net/11420/13433
Journal
Processes  
Volume
10
Issue
8
Article Number
1531
Citation
Processes 10 (8): 1531 (2022-08)
Publisher DOI
10.3390/pr10081531
Scopus ID
2-s2.0-85137569238
Publisher
Multidisciplinary Digital Publishing Institute
For the purpose of the intensification of an industrial-scale gas-liquid process, the implementation in an alternative reactor concept is investigated at Hamburg University of Technology (TUHH) in cooperation with Ehrfeld Mikrotechnik GmbH. Existing process operation data from a bubble column hint at a mass transfer limitation of the gas-liquid reaction. In the project, a jet loop reactor (JLR) is chosen to increase the specific interfacial area between gas and liquid, and thus increase mass transfer, while keeping the reactor system mechanically simple and low-maintenance. For the investigation, a laboratory scale reactor has been designed on the basis of an existing industrial scale process and scaled according to a pilot scale reactor available at TUHH. For scaling, geometric similarity is desired, while specific energy dissipation rate and volumetric gas input are kept constant for the chosen scale-up strategy. Between the two different scales, the reactors are successfully characterised in a water-air system with regards to the important mass transfer, among other parameters. A pressure- and chemical-resistant twin of the laboratory-scale reactor is provided to the project partner for trials under real process conditions with the original material system. The presented work shows that the JLR concept can be transferred sufficiently well between different scales when suitable parameters are chosen, and offers a wide operating window. The investigations aim to provide a basis for a future scale-up of the chemical process in the JLR system to the industrial scale.
Subjects
process intensification
reactor concepts
chemical reactors
scale-up strategies
multiphase flows
mass transfer
DDC Class
530: Physik
600: Technik
620: Ingenieurwissenschaften
Funding Organisations
Ehrfeld Mikrotechnik GmbH
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by/4.0/
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