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Hydrodynamics and mass transfer performance in packed microbubble column reactor.

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Title: Hydrodynamics and mass transfer performance in packed microbubble column reactor.
Authors: Xie, Bingqi1 (AUTHOR), Ma, Wangyang1,2 (AUTHOR), Gao, Yufeng1 (AUTHOR), Chen, Yi1 (AUTHOR), Liu, Wei1 (AUTHOR), Zhang, Jisong1 (AUTHOR) jiszhang@tsinghua.edu.cn
Source: AIChE Journal. Jun2026, Vol. 72 Issue 6, p1-14. 14p.
Subjects: Mass transfer, Bubble column reactors, Packed bed reactors, Bubble dynamics, Multiphase flow, Mass transfer coefficients, Hydrodynamics
Abstract: Microbubbles, characterized by small size, slow rising velocity, and long existence time compared to large bubbles, have been introduced into traditional packed bubble column reactors to achieve process intensification in gas–liquid–solid multiphase systems. In this work, the bubble flow behaviors within packed microbubble column reactor are visualized and analyzed by varying reactor length, packing size, gas/liquid superficial velocity, and liquid viscosity. The results show that larger packing size promotes the stable existence of microbubble swarms, thereby increasing the gas–liquid interfacial area and enhancing mass transfer efficiency. Moreover, a comparative analysis of porous and non‐porous packing materials reveals that, although porous packings provide higher liquid holdup, they hinder microbubble stability and result in lower volumetric mass transfer coefficients (kLa). Ultimately, the empirical correlations for kLa were developed, exhibiting excellent agreement with the experimental data. [ABSTRACT FROM AUTHOR]
Copyright of AIChE Journal is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 193398373
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Hydrodynamics and mass transfer performance in packed microbubble column reactor.
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  Data: <searchLink fieldCode="AR" term="%22Xie%2C+Bingqi%22">Xie, Bingqi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Wangyang%22">Ma, Wangyang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gao%2C+Yufeng%22">Gao, Yufeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Yi%22">Chen, Yi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Wei%22">Liu, Wei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Jisong%22">Zhang, Jisong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jiszhang@tsinghua.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22AIChE+Journal%22">AIChE Journal</searchLink>. Jun2026, Vol. 72 Issue 6, p1-14. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Mass+transfer%22">Mass transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Bubble+column+reactors%22">Bubble column reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Packed+bed+reactors%22">Packed bed reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Bubble+dynamics%22">Bubble dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Multiphase+flow%22">Multiphase flow</searchLink><br /><searchLink fieldCode="DE" term="%22Mass+transfer+coefficients%22">Mass transfer coefficients</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrodynamics%22">Hydrodynamics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Microbubbles, characterized by small size, slow rising velocity, and long existence time compared to large bubbles, have been introduced into traditional packed bubble column reactors to achieve process intensification in gas–liquid–solid multiphase systems. In this work, the bubble flow behaviors within packed microbubble column reactor are visualized and analyzed by varying reactor length, packing size, gas/liquid superficial velocity, and liquid viscosity. The results show that larger packing size promotes the stable existence of microbubble swarms, thereby increasing the gas–liquid interfacial area and enhancing mass transfer efficiency. Moreover, a comparative analysis of porous and non‐porous packing materials reveals that, although porous packings provide higher liquid holdup, they hinder microbubble stability and result in lower volumetric mass transfer coefficients (kLa). Ultimately, the empirical correlations for kLa were developed, exhibiting excellent agreement with the experimental data. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of AIChE Journal is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1002/aic.70340
    Languages:
      – Code: eng
        Text: English
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        PageCount: 14
        StartPage: 1
    Subjects:
      – SubjectFull: Mass transfer
        Type: general
      – SubjectFull: Bubble column reactors
        Type: general
      – SubjectFull: Packed bed reactors
        Type: general
      – SubjectFull: Bubble dynamics
        Type: general
      – SubjectFull: Multiphase flow
        Type: general
      – SubjectFull: Mass transfer coefficients
        Type: general
      – SubjectFull: Hydrodynamics
        Type: general
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      – TitleFull: Hydrodynamics and mass transfer performance in packed microbubble column reactor.
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            NameFull: Xie, Bingqi
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            NameFull: Ma, Wangyang
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            NameFull: Gao, Yufeng
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            NameFull: Chen, Yi
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            NameFull: Liu, Wei
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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