Mass transfer investigation in liquid-liquid two-phase flow in a corrugated millichannel

被引：0

作者：

Chidraoui, Antoinette Maarawi ^{[1
]}

Anxionnaz-Minvielle, Zoe ^{[1
]}

Coste, Pierre ^{[1
]}

Raimondi, Nathalie Di Miceli ^{[2
]}

Cabassud, Michel ^{[2
]}

机构：

[1] Univ Grenoble Alpes, CEA, LITEN, DTCH,Lab Composants & Sytemes Therm, F-38000 Grenoble, France

[2] Univ Toulouse, Lab Genie Chim, CNRS, INPT,UPS, Toulouse, France

来源：

CHEMICAL ENGINEERING JOURNAL ADVANCES | 2025年 / 22卷

关键词：

Liquid-liquid mass transfer; Two-phase flow; Selective extraction; Process intensification; Corrugated channel; SLUG FLOW; MICROCHANNELS; PERFORMANCES; EXTRACTION; REACTOR; PHASE;

D O I：

10.1016/j.ceja.2025.100739

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The present analysis investigates mass transfer phenomena occurring in liquid-liquid two-phase flow within 2D-meandering millichannels of varying dimensions (2, 3, and 4 mm). Enhanced comprehension is facilitated by previous flow visualizations that led to establishing a flow patterns map for these millichannels. The overall mass transfer coefficient (kLa) is experimentally evaluated by measuring the solute concentration transferred between phases, selectively extracted from the organic phase at the reactor outlet. Additionally, to anticipate mass transfer coefficient variations in zigzag channels of various sizes at varying flowrates, aligning with industrial requirements, experimental kLa results are correlated with observed flow regimes. Consequently, operational conditions and fluid system properties enable flow regime identification from the previously established flow map, facilitating corresponding mass transfer correlation identification. This innovative approach integrates flow study and mass transfer analysis within millireactors.

引用

页数：12

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