Guidance for Measuring the Axial Gas Dispersion Coefficient in Bubble Columns via Gas Flow Modulation

The gas flow modulation technique (GFM) is a novel noninvasive approach for measuring the axial gas dispersion coefficient in bubble columns. The approach overcomes the limitations of traditional tracer-based techniques, qualifying it as a promising candidate for measurements in an industrial settin...

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Bibliographic Details
Published in:Industrial & engineering chemistry research 2023-11, Vol.62 (46), p.19936-19950
Main Authors: Marchini, Sara, Bieberle, André, Schubert, Markus, Hampel, Uwe
Format: Article
Language:English
Subjects:
Thermodynamics, Transport, and Fluid Mechanics
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Summary:The gas flow modulation technique (GFM) is a novel noninvasive approach for measuring the axial gas dispersion coefficient in bubble columns. The approach overcomes the limitations of traditional tracer-based techniques, qualifying it as a promising candidate for measurements in an industrial setting. The current work elaborates systematic guidelines for selecting the experimental parameters for GFM. These guidelines are crucial for its successful application. In addition, a novel approach is proposed for confidently extracting the values and uncertainty limits of the axial gas dispersion coefficient. Afterward, we show the application of these guidelines in the frame of a case study that serves the purpose of illustrating their application and demonstrating their usefulness.
ISSN:0888-5885
1520-5045
DOI:10.1021/acs.iecr.3c02870