文献类型：期刊文献

英文题名：A study of mass transfer on CFD-PBM simulation and Bayesian optimization in magnesium electrolysis multipolar cell

作者：Zhang, Guochao[1];Chen, Hao[1];Zhu, Shigui[2];Lu, Guimin[1]

机构：[1]East China Univ Sci & Technol, Natl Engn Res Ctr Integrated Utilizat Salt Lake Re, Shanghai 200237, Peoples R China;[2]Ganfeng Lithium Grp Co Ltd, Xinyu 336000, Jiangxi, Peoples R China

年份：2026

卷号：321

外文期刊名：CHEMICAL ENGINEERING SCIENCE

收录：;EI(收录号：20254119314657);WOS:【SCI-EXPANDED(收录号:WOS:001596633300002)】；

基金：The authors acknowledge the financial support provided by the National Natural Science Foundation of China (U24A20560) .

语种：英文

外文关键词：Magnesium electrolysis cell; Bubbly flow; Bayesian optimization; Mass transfer; Population balance model

摘要：To address the environmental pollution issues of traditional Pidgeon process for magnesium production, this study focuses on the green production technology of molten salt electrolysis. A three-dimensional gas-liquid twophase flow model was developed to elucidate the dynamic evolution of chlorine bubbles dominated by coalescence in narrow interelectrode channels. Comparative analysis of slip penetration and eddy cell models highlighted their distinct predictions on interphase mass transfer. Key strategies for suppressing mass transfer were identified through systematic parameter studies. By applying Bayesian optimization (BO) to interelectrode distance, channel height, and channel width, the average liquid-phase volumetric mass transfer coefficients of interelectrode channel between anode and bipolar electrode (ICABE), interelectrode channel between bipolar electrodes (ICBE), and interelectrode channel between bipolar electrode and cathode (ICBEC) were reduced by 27%, 41%, and 36%, respectively.