Experimental study on gas-liquid dispersion and mass transfer in shear-thinning system with coaxial mixer

Baoqing Liu; Yijun Zheng; Ruijia Cheng; Zilong Xu; Manman Wang; Zhijiang Jin

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Experimental study on gas-liquid dispersion and mass transfer in shear-thinning system with coaxial mixer

Fluid Dynamics and Transport Phenomena | Updated：2026-01-06

- Experimental study on gas-liquid dispersion and mass transfer in shear-thinning system with coaxial mixer
- Chinese Journal of Chemical Engineering Vol. 26, Issue 9, Pages: 1785-1791(2018)
- Affiliations：
  
  Institute of Process Equipment, College of Energy Engineering, Zhejiang University,Hangzhou,China,310027
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2018
- Accepted：
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Baoqing Liu, Yijun Zheng, Ruijia Cheng, Zilong Xu, Manman Wang, Zhijiang Jin. Experimental study on gas-liquid dispersion and mass transfer in shear-thinning system with coaxial mixer[J]. Chin.J.Chem.Eng., 2018, 26(9): 1785-1791.
DOI：

Baoqing Liu, Yijun Zheng, Ruijia Cheng, Zilong Xu, Manman Wang, Zhijiang Jin. Experimental study on gas-liquid dispersion and mass transfer in shear-thinning system with coaxial mixer[J]. Chin.J.Chem.Eng., 2018, 26(9): 1785-1791. DOI：

摘要

Abstract

The effects of impeller type

stirring power

gas flow rate

and liquid concentration on the gas-liquid mixing in a shear-thinning system with a coaxial mixer were investigated by experiment

and the overall gas holdup

relative power demand

and volumetric mass transfer coefficient under different conditions were compared. The results show that

the increasing stirring power or gas flow rate is beneficial in promoting the overall gas holdup and volumetric mass transfer coefficient

while the increasing system viscosity weakens the mass transfer in a shearing-thinning system. Among the three turbines

the six curved-blade disc turbine (BDT-6) exhibits the best gas pumping capacity; the six 45° pitched-blade disc turbine (PBDT-6) has the highest volumetric mass transfer coefficient at the same unit volume power.

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Related Institution

State Key Laboratory of Chemical Resource Engineering, School of Chemical Engineering, Beijing University of Chemical Technology

School of Chemical Engineering, Sichuan University

State Key Laboratory of Petroleum Molecular & Process Engineering, Institute of Process Engineering, Chinese Academy of Sciences

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences

Center of Energy Storage Materials & Technology, College of Engineering and Applied Sciences, Jiangsu Key Laboratory of Artificial Functional Materials, National Laboratory of Solid State Microstructures and Collaborative Innovation Center of Advanced Microstructures, Nanjing University

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