Gas evolution in water electrolysis

PA Kempler, RH Coridan, L Luo - Chemical Reviews, 2024‏ - ACS Publications
Gas bubbles generated by the hydrogen evolution reaction and oxygen evolution reaction
during water electrolysis influence the energy conversion efficiency of hydrogen production …

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 …

Influence of viscosity and surface tension on bubble dynamics and mass transfer in a model bubble column

P Kováts, D Thévenin, K Zähringer - International Journal of Multiphase …, 2020‏ - Elsevier
The influence of viscosity and surface tension on bubble dynamics and gas liquid mass
transfer has been examined experimentally in a model bubble column using optical …

[HTML][HTML] Bubbles and Broth: A review on the impact of broth composition on bubble column bioreactor hydrodynamics

R Volger, L Puiman, C Haringa - Biochemical Engineering Journal, 2024‏ - Elsevier
The growing global population and heightened concern for climate change leads to
increased interest in utilizing microbial fermentations to replace polluting production …

[HTML][HTML] Influence of the gas phase on a large-scale bubble column fluid dynamics: Gas holdup, flow regime transitions, and bubble size distributions

A Ferrario, N Varallo, G Besagni, R Mereu - Chemical Engineering Science, 2025‏ - Elsevier
We present the results of an experimental study of a large-diameter bubble column
operating in batch mode with air or CO 2 as the gas phase and water as the liquid phase …

Generality of the CFD-PBM coupled model for bubble column simulation

H Zhang, A Sayyar, Y Wang, T Wang - Chemical Engineering Science, 2020‏ - Elsevier
Computational fluid dynamics coupled with a population balance model (CFD-PBM)
combines the use of CFD to calculate the flow field and phase holdup and that of PBM to …

Microbubble generation with shear flow on large-area membrane for fine particle flotation

X Tao, Y Liu, H Jiang, R Chen - Chemical Engineering and Processing …, 2019‏ - Elsevier
Fine particle flotation is carried out in a flotation column with a 19-channel ceramic
membrane sparger. The microbubble generation is controlled by the shear flow in the …

[HTML][HTML] On the scale-up criteria for bubble columns

G Besagni, L Gallazzini, F Inzoli - Petroleum, 2019‏ - Elsevier
It is generally admitted that experimental data obtained in “laboratory-scale” bubble columns
are representative of “industrial-scale” reactors if the well-known three “Wilkinson et al. scale …

An improved bubble breakup model in turbulent flow

H Zhang, G Yang, A Sayyar, T Wang - Chemical Engineering Journal, 2020‏ - Elsevier
An improved bubble breakup model has been developed by adequately describing the
internal flow inside the deformed bubble, to account for the significant effect of pressure on …

Effect of gas sparger design on bubble column hydrodynamics using pure and binary liquid phases

G Besagni, L Gallazzini, F Inzoli - Chemical Engineering Science, 2018‏ - Elsevier
It is known that the fluid dynamics and transport phenomena in bubble columns depend
mainly on the bubble column design (ie, the column diameter, aspect ratio, and gas sparger …