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Erschienen in:

2021 | OriginalPaper | Buchkapitel

Chemical Reactions at Freely Ascending Single Bubbles

verfasst von : Lutz Böhm, David Merker, Florian Strassl, Sonja Herres-Pawlis, Martin Oßberger, Peter Klüfers, Siegfried Schindler, Jajnabalkya Guhathakurta, Daniel Grottke, Sven Simon, Günter Rinke, Mark Hlawitschka, Alexandra von Kameke, Felix Kexel, Michael Schlüter, Sebastian Gast, Ute Tuttlies, Ulrich Nieken, Dennis Hillenbrand, Holger Marschall, Andre Weiner, Dieter Bothe, Matthias Kraume

Erschienen in: Reactive Bubbly Flows

Verlag: Springer International Publishing

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Abstract

A joint approach of chemists, mathematicians and engineers in the field of chemical reaction enhanced gas-liquid mass transfer on single bubbles is presented. New chemical systems are developed for homogenous chemical reactions in the liquid. By applying different metal-complex based reaction systems with diverse ligands in different reaction media (water and organic solvents) a broad range of reaction kinetics is available. As one measure, the bubble size change over time is investigated. The shrinking of the bubble allows the determination of overall mass transfer rates under diverse conditions. Numerous groups investigated the wake region of the bubble. The influence of the mixing behavior in this region on the mass transfer in general but also, e.g., on competitive consecutive chemical reactions is visualized. For a deeper understanding of the effect of surfactants on mass transfer, simulations are performed providing a high temporal and spatial resolution of the flow and concentration field near the bubbles surface. Furthermore, a compartment model for the description of the mass transfer near a single bubble is developed which allows the calculation of competitive consecutive chemical reactions with reasonable numerical effort.

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Vorheriges Kapitel Visualization and Quantitative Analysis of Consecutive Reactions in Taylor Bubble Flows

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Titel: Chemical Reactions at Freely Ascending Single Bubbles
verfasst von: Lutz Böhm
David Merker
Florian Strassl
Sonja Herres-Pawlis
Martin Oßberger
Peter Klüfers
Siegfried Schindler
Jajnabalkya Guhathakurta
Daniel Grottke
Sven Simon
Günter Rinke
Mark Hlawitschka
Alexandra von Kameke
Felix Kexel
Michael Schlüter
Sebastian Gast
Ute Tuttlies
Ulrich Nieken
Dennis Hillenbrand
Holger Marschall
Andre Weiner
Dieter Bothe
Matthias Kraume
Verlag: Springer International Publishing
Buch: Reactive Bubbly Flows
Print ISBN: 978-3-030-72360-6

Electronic ISBN: 978-3-030-72361-3

Copyright-Jahr: 2021
DOI: https://doi.org/10.1007/978-3-030-72361-3_22

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