Multiphase Flow Optimization for H2O2 Production: A LBM Analysis of Bubble Behavior in Packed-Bed Reactors

IF 2.7 3区工程技术 Q3 ENGINEERING, CHEMICAL

Transport in Porous Media Pub Date : 2026-01-07 DOI:10.1007/s11242-025-02282-1

Haibin Liu, Tao Li, Jiacheng Xie, Shiyu Lv, Zengxi Wei, Shuangliang Zhao

{"title":"Multiphase Flow Optimization for H2O2 Production: A LBM Analysis of Bubble Behavior in Packed-Bed Reactors","authors":"Haibin Liu, Tao Li, Jiacheng Xie, Shiyu Lv, Zengxi Wei, Shuangliang Zhao","doi":"10.1007/s11242-025-02282-1","DOIUrl":null,"url":null,"abstract":"<div><p>The spatial arrangement of catalytic particles is crucial for the optimization of packed-bed microchannel reactors for efficient direct synthesis of hydrogen peroxide, as it largely affects the multiphase flow behaviors within the catalytic particle pattern. In this work, a lattice Boltzmann study is conducted to unravel the effects of packed-bed column structure, porosity, Reynolds number, and gas bubble size on bubble residence time in and contact area with catalytic particles. Various hierarchy column structures are designed and then examined. We find that reducing the porosity or the Reynolds number can prolong the bubble residence time, while increasing the bubble size can shorten the residence time. Double-layer ordered structure design can increase the contact area by 12% and shorten the residence time by 6%, while a random structure leads to a significant reduction in the contact area by 18.79%–32.66%. The three-level structure design further reduces the residence time by 12% and increases the contact area by 8.7%. Notably, the Coarse-Fine-Random structure shows the longest bubble residence time and Fine-Coarse pattern achieves a maximum contact area. The design of hierarchical pore structures can optimize the residence time and contact area of gas and liquid phases and provide a helpful strategy for the optimization of direct hydrogen peroxide synthesis.</p></div>","PeriodicalId":804,"journal":{"name":"Transport in Porous Media","volume":"153 2","pages":""},"PeriodicalIF":2.7000,"publicationDate":"2026-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Transport in Porous Media","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1007/s11242-025-02282-1","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, CHEMICAL","Score":null,"Total":0}

引用次数: 0

Abstract

The spatial arrangement of catalytic particles is crucial for the optimization of packed-bed microchannel reactors for efficient direct synthesis of hydrogen peroxide, as it largely affects the multiphase flow behaviors within the catalytic particle pattern. In this work, a lattice Boltzmann study is conducted to unravel the effects of packed-bed column structure, porosity, Reynolds number, and gas bubble size on bubble residence time in and contact area with catalytic particles. Various hierarchy column structures are designed and then examined. We find that reducing the porosity or the Reynolds number can prolong the bubble residence time, while increasing the bubble size can shorten the residence time. Double-layer ordered structure design can increase the contact area by 12% and shorten the residence time by 6%, while a random structure leads to a significant reduction in the contact area by 18.79%–32.66%. The three-level structure design further reduces the residence time by 12% and increases the contact area by 8.7%. Notably, the Coarse-Fine-Random structure shows the longest bubble residence time and Fine-Coarse pattern achieves a maximum contact area. The design of hierarchical pore structures can optimize the residence time and contact area of gas and liquid phases and provide a helpful strategy for the optimization of direct hydrogen peroxide synthesis.

查看原文本刊更多论文

多相流优化生产H2O2：填料床反应器气泡行为的LBM分析

催化颗粒的空间排列对催化颗粒模式内的多相流行为有很大影响，因此对优化填料床微通道反应器以实现高效直接合成过氧化氢至关重要。在这项工作中，进行了晶格玻尔兹曼研究，以揭示填充床柱结构，孔隙率，雷诺数和气泡大小对气泡停留时间和与催化颗粒接触面积的影响。设计并检验了各种层次柱结构。减小孔隙率或雷诺数可以延长气泡的停留时间，增大气泡尺寸可以缩短气泡的停留时间。双层有序结构设计可使接触面积增加12%，停留时间缩短6%，而随机结构可使接触面积显著减少18.79% ~ 32.66%。三层结构设计进一步减少停留时间12%，增加接触面积8.7%。值得注意的是，粗-细-粗结构的气泡停留时间最长，细-粗结构的接触面积最大。分层孔结构的设计可以优化气液两相的停留时间和接触面积，为直接合成过氧化氢的工艺优化提供有益的策略。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Transport in Porous Media 工程技术-工程：化工

CiteScore

5.30

自引率

7.40%

发文量

155

审稿时长

4.2 months

期刊介绍： -Publishes original research on physical, chemical, and biological aspects of transport in porous media- Papers on porous media research may originate in various areas of physics, chemistry, biology, natural or materials science, and engineering (chemical, civil, agricultural, petroleum, environmental, electrical, and mechanical engineering)- Emphasizes theory, (numerical) modelling, laboratory work, and non-routine applications- Publishes work of a fundamental nature, of interest to a wide readership, that provides novel insight into porous media processes- Expanded in 2007 from 12 to 15 issues per year. Transport in Porous Media publishes original research on physical and chemical aspects of transport phenomena in rigid and deformable porous media. These phenomena, occurring in single and multiphase flow in porous domains, can be governed by extensive quantities such as mass of a fluid phase, mass of component of a phase, momentum, or energy. Moreover, porous medium deformations can be induced by the transport phenomena, by chemical and electro-chemical activities such as swelling, or by external loading through forces and displacements. These porous media phenomena may be studied by researchers from various areas of physics, chemistry, biology, natural or materials science, and engineering (chemical, civil, agricultural, petroleum, environmental, electrical, and mechanical engineering).