Gas—liquid countercurrent absorption process based on micro-scale helical liquid-bridge flow

Yuan Liang; Chen Xiaoxuan; Cong Haifeng; Li Xingang

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Gas—liquid countercurrent absorption process based on micro-scale helical liquid-bridge flow

Updated：2026-09-17

- Gas—liquid countercurrent absorption process based on micro-scale helical liquid-bridge flow
- Gas—liquid countercurrent absorption process based on micro-scale helical liquid-bridge flow
- 中国化学工程学报（英文） 2026年95卷第7期页码：226-239
- Affiliations：
  
  School of Chemical Engineering and Technology, National Engineering Research Center of Distillation Technology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin 300072, China
  Zhejiang Institute of Tianjin University, Ningbo 315201, China
- Author bio：
  
  *Corresponding authors. E-mail addresses:conghaifeng@tju.edu.cn(H. Cong)
  *Corresponding authors. E-mail addresses:lxg@tju.edu.cn(X. Li)
- Funds：
  
  The authors acknowledge financial support from the National Nature Science Foundation of China(22378298)
- DOI：
  中图分类号：
- 收稿：2026-01-08，
  
  修回：2026-03-19，
  
  录用：2026-03-22，
  
  网络首发：2026-04-13，
  
  纸质出版：2026-07
- Accepted：
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Yuan Liang, Chen Xiaoxuan, Cong Haifeng, 等. Gas—liquid countercurrent absorption process based on micro-scale helical liquid-bridge flow[J]. 中国化学工程学报（英文）, 2026,95(7):226-239.

Yuan Liang, Chen Xiaoxuan, Cong Haifeng, et al. Gas—liquid countercurrent absorption process based on micro-scale helical liquid-bridge flow[J]. Chinese Journal of Chemical Engineering, 2026, 95(7): 226-239.
Yuan Liang, Chen Xiaoxuan, Cong Haifeng, 等. Gas—liquid countercurrent absorption process based on micro-scale helical liquid-bridge flow[J]. 中国化学工程学报（英文）, 2026,95(7):226-239. DOI：

Yuan Liang, Chen Xiaoxuan, Cong Haifeng, et al. Gas—liquid countercurrent absorption process based on micro-scale helical liquid-bridge flow[J]. Chinese Journal of Chemical Engineering, 2026, 95(7): 226-239. DOI：

摘要

Abstract

Achieving efficient gas—liquid countercurrent operation in microreactors faces multiple technical challenges

primarily due to the difficulty in forming stable countercurrent flow naturally

along with high flow resistance and substantial pressure drop. This study proposes a novel

microscale gas—liquid countercurrent absorption method based on helical liquid-bridge flow. Micron-scale helical structures are employed to induce stable semi-constrained liquid-bridges

enabling controlled countercurrent contact. By adjusting helical parameters and feed configurations

the method optimizes liquid film distribution

residence time

and interfacial renewal

thereby enhancing mass transfer. Experiments in a CO

—water system showed that the volumetric mass transfer coefficient increased by 1—2 orders of magnitude compared to conventional devices. A dimensionless correlation for the liquid-phase mass transfer coefficient was developed with less than 15% deviation. This work provides a theoretical and technical foundation for developing efficient microscale gas—liquid absorption devices

with broad applicability in process intensification and system integration of microchemical engineering.

关键词

Keywords

references

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