Micro-interface enhanced mass transfer sodium carbonate absorption carbon dioxide reaction

Hu Shen; Yingyu Xu; Jigang An; Bowen Jiang; Jinnan Sun; Guoqiang Yang; Zhibing Zhang

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Micro-interface enhanced mass transfer sodium carbonate absorption carbon dioxide reaction

Full Length Article | Updated：2026-01-06

- Micro-interface enhanced mass transfer sodium carbonate absorption carbon dioxide reaction
- Micro-interface enhanced mass transfer sodium carbonate absorption carbon dioxide reaction
- 中国化学工程学报（英文版） 2023年64卷第12期页码：208-223
- Affiliations：
  
  Key Laboratory of Mesoscopic Chemistry of Ministry of Education (MOE), School of Chemistry and Chemical Engineering, Nanjing University,Nanjing,China,210023
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2023
- Accepted：
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Hu Shen, Yingyu Xu, Jigang An, 等. Micro-interface enhanced mass transfer sodium carbonate absorption carbon dioxide reaction[J]. 中国化学工程学报（英文版）, 2023,64(12):208-223.

Hu Shen, Yingyu Xu, Jigang An, Bowen Jiang, Jinnan Sun, Guoqiang Yang, Zhibing Zhang. Micro-interface enhanced mass transfer sodium carbonate absorption carbon dioxide reaction[J]. Chinese Journal of Chemical Engineering, 2023, 64(12): 208-223.
Hu Shen, Yingyu Xu, Jigang An, 等. Micro-interface enhanced mass transfer sodium carbonate absorption carbon dioxide reaction[J]. 中国化学工程学报（英文版）, 2023,64(12):208-223. DOI：

Hu Shen, Yingyu Xu, Jigang An, Bowen Jiang, Jinnan Sun, Guoqiang Yang, Zhibing Zhang. Micro-interface enhanced mass transfer sodium carbonate absorption carbon dioxide reaction[J]. Chinese Journal of Chemical Engineering, 2023, 64(12): 208-223. DOI：

摘要

Abstract

Micro-interface intensified reactor (MIR) can be applied in series/parallel in the absorption of CO

in industrial gases by Na

due to the ability to produce large numbers of stable microbubbles. This work focuses on the variation pattern of mass transfer characteristics parameters of the reaction gas in Na

solution under the influence of different solution properties and operating parameters in the reaction of CO

absorption by Na

. The mass transfer characteristics parameters include bubble Sauter mean diameter

gas holdup

interfacial area

liquid side mass transfer coefficient

and liquid side volume mass transfer coefficient

. The solution properties and operating parameters include Na

concentration (0.05–2.0 mol·L

-1

)

superficial gas velocity (0.00221–0.01989 m·s

-1

)

superficial liquid velocity (0.00332–0.02984 m·s

-1

)

and ionic strength (1.42456–1.59588 mol·kg

-1

). And volumetric mass transfer coefficients

and superficial reaction rates

of the MIR and the bubble column reactor are compared in

the reaction of sodium carbonate absorption of carbon dioxide

and the former shows a greater improvement under different solution properties and operating parameters. The enhanced role of MIR in mass transfer in non-homogeneous reactions is verified and the feasibility of industrial practical applications of MIR is demonstrated.

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