A Three-dimensional Heterogeneous Mass Transfer Model for the Absorption of Gas into Multiphase System

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A Three-dimensional Heterogeneous Mass Transfer Model for the Absorption of Gas into Multiphase System

CAI Wangfeng; ZHANG Dan; XU Chunjian; ZHOU Ming

School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

Received:1900-01-01 Revised:1900-01-01 Online:2005-12-28 Published:2005-12-28
Contact: CAI Wangfeng

多项体系气体吸收的三维非均相传质模型

蔡旺锋; 张丹; 许春建; 周明

School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

通讯作者: 蔡旺锋

Abstract

Abstract: A three-dimensional heterogeneous mass transfer model was proposed to investigate the enhancement of dispersed particles on gas absorption. The strate
          gy to calculate local and overall enhancement factors is proposed. Instead of a global grid, the composite overlapping grid is adopted, which simplifies
           the setup and solution of the three-dimensional model equations. It is found that dispersed particle hold-up, particle size, liquid-solid partition coe
          fficient of transported component, characteristic contact time, and the shortest distance between particles and gas-liquid interface have major influenc
          e on absorption enhancement factor. The particle-particle interaction on gas absorption and the lateral diffusion of transported component in liquid fil
          m were studied with the multi-particle simulation. The proposed model predicted the experimental data from the literature reasonably well.

Key words: gas absorption, composite overlapping grid, enhancement factor, dispersed particles, he terogeneous, three-dimensional model

摘要： A three-dimensional heterogeneous mass transfer model was proposed to investigate the enhancement of dispersed particles on gas absorption. The strate
          gy to calculate local and overall enhancement factors is proposed. Instead of a global grid, the composite overlapping grid is adopted, which simplifies
           the setup and solution of the three-dimensional model equations. It is found that dispersed particle hold-up, particle size, liquid-solid partition coe
          fficient of transported component, characteristic contact time, and the shortest distance between particles and gas-liquid interface have major influenc
          e on absorption enhancement factor. The particle-particle interaction on gas absorption and the lateral diffusion of transported component in liquid fil
          m were studied with the multi-particle simulation. The proposed model predicted the experimental data from the literature reasonably well.

关键词: 多项体系气体吸收;三维非均传质模型;复合重叠格;增加因子;气液界面

CAI Wangfeng, ZHANG Dan, XU Chunjian, ZHOU Ming. A Three-dimensional Heterogeneous Mass Transfer Model for the Absorption of Gas into Multiphase System[J]. , DOI: .

蔡旺锋, 张丹, 许春建, 周明. 多项体系气体吸收的三维非均相传质模型[J]. , DOI: .

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