Publications


Here you will find all publications of the Institut of Multiphase Flows that have a DOI or an ISBN. The individual entries can be downloaded in BibTex format.

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[157033]
Title: Small-Scale Phenomena in Reactive Bubbly Flows: Experiments, Numerical Modeling, and Applications
Written by: Schlüter, M.; Herres-Pawlis, S.; Nieken, U.; Tuttlies, U.; Bothe, D.
in: Annual Review of Chemical and Biomolecular Engineering 2021
Volume: 12 Number:
on pages: 625-643
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DOI: https://doi.org/10.1146/annurev-chembioeng- 092220-100517
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[doi] [BibTex]

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Abstract: Improving the yield and selectivity of chemical reactions is one of the challenging tasks in paving the way for a more sustainable and climate-friendly economy. For the industrially highly relevant gas–liquid reactions, this can be achieved by tailoring the timescales of mixing to the requirements of the reaction. Although this has long been known for idealized reactors and time- and space-averaged processes, considerable progress has been made recently on the influence of local mixing processes. This progress has become possible through joint research between chemists, mathematicians, and engineers. We present the reaction systems with adjustable kinetics that have been developed, which are easy to handle and analyze. We show examples of how the selectivity of competitive-consecutive reactions can be controlled via local bubble wake structures. This is demonstrated for Taylor bubbles and bubbly flows under technical conditions. Highly resolved numerical simulations confirm the importance of the bubble wake structure for the performance of a particular chemical reaction and indicate tremendous potential for future process improvements.