.png){kind=icon}
.png){kind=icon}
Return
Gas–liquid two-phase flow regulation and mass transfer enhancement in internal loop airlift reactor
.png){kind=icon}
PRE
AI
Y
Y
F
J
Z
F
J
G
DOI：10.1016/j.cjche.2026.02.015.png)
.png){kind=icon}
Original request for help.png){kind=icon}
Share.png){kind=icon}
Save
Abstract
En 中文
The design and development of internal components in airlift reactors are of great significance for enhancing mass transfer and improving equipment efficiency. In this study, a new reinforcement method of embedding baffle and metal wire mesh in the lifting section of an internal loop airlift reactor was used to enhance gas–liquid mass transfer, and their effects on bubble motion behavior, gas holdup, mass transfer performance and liquid-phase flow behavior were systematically investigated. The embedded baffle can significantly regulate the upward path of bubbles, causing them to rise in an “S” shape along the baffle, thereby prolonging the residence time of bubbles in the reactor. Metal wire mesh can effectively crush large bubbles, reducing their size and significantly increasing the interfacial area. Notably, the coupling effect of baffle and metal wire mesh can reduce the bubble Sauter mean diameter by about 56% and increase the gas–liquid interface area by about 141%. In addition, compared with no internal components, introducing baffle alone can increase the volumetric mass transfer coefficient (KLa) by about 12%–49%, and embedding metal wire mesh can increase KLa by about 20%–78%. The synergistic effect of two internal components can further improve KLa, with a maximum increase of about 98%. The results of this study indicate that the coupling design of baffle and metal wire mesh not only significantly improves bubble hydrodynamic and enhances gas–liquid interface generation, but also achieves significant improvement in mass transfer performance, providing an effective engineering strategy for the structural optimization of internal loop airlift reactor.
Keywords:
baffle
metal wire mesh
gas–liquid mass transfer
bubble hydrodynamics
internal loop airlift reactor
Journal
IF:
3.7
Papers:
5.1K
Citations:
1.1W
Organization
Cited Papers