Mass Transfer Enhancement of Propane Absorption into Dodecane-Water Emulsions

›› 2010, Vol. 18 ›› Issue (2): 217-222.

Mass Transfer Enhancement of Propane Absorption into Dodecane-Water Emulsions

沈树华, 马友光, 刘玮莅, 卢素敏, 朱春英

School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China

收稿日期:2009-05-26 修回日期:2009-09-10 出版日期:2010-04-28 发布日期:2010-04-28
通讯作者: MA Youguang,E-mail:ygma@tju.edu.cn
基金资助:
Supported by the National Natural Science Foundation of China(20176036)

Mass Transfer Enhancement of Propane Absorption into Dodecane-Water Emulsions

SHEN Shuhua, MA Youguang, LIU Weili, LU Sumin, ZHU Chunying

School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China

Received:2009-05-26 Revised:2009-09-10 Online:2010-04-28 Published:2010-04-28
Supported by:
Supported by the National Natural Science Foundation of China(20176036)

摘要/Abstract

摘要： A one-dimensional unsteady heterogeneous parallel mass transfer(ODUHPMT) model was developed for the absorption enhancement of volatile organic compounds(VOC) by the dispersed droplets.An analytical solution for enhancement factor was obtained based on surface renewal theory and the Laplace domain transformation. The absorption rate of propane into water at different stirring speeds with the added micro dodecane droplets was investigated experimentally in a thermostatic stirred tank.The mass transfer flux across the gas-liquid interface and the enhancement factor were measured.The results showed that the dodecane has an obvious enhancement effect on propane absorption into water,the maximum enhancement factor reached 11.The enhancement factor increased with increasing dodecane volume fraction and decreased with increasing stirring speed.The experiment data agreed well with the model predictions and showed high prediction accuracy of ODUHPMT model.

关键词: enhancement factor, mass transfer, absorption, droplets

Abstract: A one-dimensional unsteady heterogeneous parallel mass transfer(ODUHPMT) model was developed for the absorption enhancement of volatile organic compounds(VOC) by the dispersed droplets.An analytical solution for enhancement factor was obtained based on surface renewal theory and the Laplace domain transformation. The absorption rate of propane into water at different stirring speeds with the added micro dodecane droplets was investigated experimentally in a thermostatic stirred tank.The mass transfer flux across the gas-liquid interface and the enhancement factor were measured.The results showed that the dodecane has an obvious enhancement effect on propane absorption into water,the maximum enhancement factor reached 11.The enhancement factor increased with increasing dodecane volume fraction and decreased with increasing stirring speed.The experiment data agreed well with the model predictions and showed high prediction accuracy of ODUHPMT model.

Key words: enhancement factor, mass transfer, absorption, droplets

沈树华, 马友光, 刘玮莅, 卢素敏, 朱春英. Mass Transfer Enhancement of Propane Absorption into Dodecane-Water Emulsions[J]. , 2010, 18(2): 217-222.

SHEN Shuhua, MA Youguang, LIU Weili, LU Sumin, ZHU Chunying. Mass Transfer Enhancement of Propane Absorption into Dodecane-Water Emulsions[J]. , 2010, 18(2): 217-222.

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Mass Transfer Enhancement of Propane Absorption into Dodecane-Water Emulsions

Mass Transfer Enhancement of Propane Absorption into Dodecane-Water Emulsions

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