Two-phase bubble columns: A comprehensive review

G Besagni, F Inzoli, T Ziegenhein - ChemEngineering, 2018 - mdpi.com
We present a comprehensive literature review on the two-phase bubble column; in this
review we deeply analyze the flow regimes, the flow regime transitions, the local and global …

X-Ray Flow Visualization: Techniques and Applications

TJ Heindel - Journal of Fluids Engineering, 2023 - asmedigitalcollection.asme.org
Multiphase flows, defined as a discrete phase in a continuous fluid phase, are found in many
natural, industrial, and consumer flows, from rain fall and avalanches to petroleum …

Bubble size distribution and specific bubble interfacial area in two–phase microstructured dense bubbling bed

R Prakash, SK Majumder, A Singh - Chemical Engineering Research and …, 2020 - Elsevier
The present work reports the investigation of flow regime, bubble size and its distribution,
bubble aspect ratio and interfacial area in three distinct axial zones of the microstructured …

A study on the influence of the tube layout on sub-channel hydrodynamics in a bubble column with internals

F Möller, YM Lau, T Seiler, U Hampel… - Chemical Engineering …, 2018 - Elsevier
In this work, the hydrodynamics of a bubble column with vertical heat exchanger internals in
a narrow bubble column of D i= 0.1 m inner diameter with a clear liquid height of L c= 1.1 m …

H2 mass transfer–A key factor for efficient biological methanation: Comparison between pilot-scale experimental data, 1D and CFD models

V Ngu, DF Fletcher, JM Kavanagh, Y Rafrafi… - Chemical Engineering …, 2023 - Elsevier
Biological methanation is an emerging Power-to-Gas technology that provides a flexible,
efficient, and long-term storage system to address the renewable energy intermittency issue …

Two-bubble class approach based on measured bubble size distribution for bubble columns with and without internals

F Möller, R Kipping, C Lavetty, U Hampel… - Industrial & …, 2019 - ACS Publications
The complex flow patterns in bubble columns can be phenomenologically described by the
two-bubble class approach. For the first time, this approach is applied to bubble columns …

[HTML][HTML] Bubble size distribution and turbulence characterization in a bubbly flow in the presence of surfactant

MM Hoque, S Mitra, G Evans - Experimental Thermal and Fluid Science, 2024 - Elsevier
This study aimed to quantify the less explored complex multiphase hydrodynamics of a
bubble swarm in the presence of surfactant which is the key to flotation process widely used …

Microinterface intensification in hydrogenation and air oxidation processes

H Qian, H Tian, G Yang, G Yang, L Li, F Zhang… - Chinese Journal of …, 2022 - Elsevier
Hydrogenations and air oxidations usually have low apparent reaction rate, generally
controlled by mass transfer rate, and widely exist in the modern chemical manufacturing …

Behavior of CO-water mass transfer coefficient in membrane sparger-integrated bubble column for synthesis gas fermentation

N Jang, M Lee, M Yasin, IS Chang - Bioresource Technology, 2020 - Elsevier
The gas–liquid mass transfer coefficient (k L a) of O 2 was investigated in a bubble column
reactor (BCR) using a sintered gas filter (SF), ceramic membrane module (CMM), and …

Advanced analysis of liquid dispersion and gas–liquid mass transfer in a bubble column with dense vertical internals

F Möller, A MacIsaac, YM Lau, E Schleicher… - … Research and Design, 2018 - Elsevier
The influence of dense vertical tube bundles in a batch bubble column reactor (BCR) of 100
mm diameter and 1100 mm clear liquid height on liquid dispersion and gas–liquid mass …