Experimental mass transfer coefficients in a pilot plant multistage column extractor

doi:10.1016/j.cjche.2016.02.004

›› 2016, Vol. 24 ›› Issue (8): 989-999.DOI: 10.1016/j.cjche.2016.02.004

• Separation Science and Engineering • 上一篇下一篇

Experimental mass transfer coefficients in a pilot plant multistage column extractor

Mehdi Asadollahzadeh^1,2, Ahad Ghaemi¹, Meisam Torab-Mostaedi², Shahrokh Shahhosseini¹

1 Department of Chemical Engineering, Iran University of Science and Technology(IUST), P. O. Box 16765-163, Tehran, Iran;
2 Nuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute, P. O. Box 11365-8486, Tehran, Iran

收稿日期:2015-09-02 修回日期:2015-11-01 出版日期:2016-08-28 发布日期:2016-09-21
通讯作者: Mehdi Asadollahzadeh

Experimental mass transfer coefficients in a pilot plant multistage column extractor

Mehdi Asadollahzadeh^1,2, Ahad Ghaemi¹, Meisam Torab-Mostaedi², Shahrokh Shahhosseini¹

1 Department of Chemical Engineering, Iran University of Science and Technology(IUST), P. O. Box 16765-163, Tehran, Iran;
2 Nuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute, P. O. Box 11365-8486, Tehran, Iran

Received:2015-09-02 Revised:2015-11-01 Online:2016-08-28 Published:2016-09-21

摘要/Abstract

摘要： The volumetric overall mass transfer coefficients in a multistage column have been measured using axial dispersion model for toluene-acetone-water system. The effect of operating parameters on the volumetric overall mass transfer coefficients has been investigated for both mass transfer directions. The results show that the mass transfer performance is strongly dependent on rotor speed and mass transfer direction, although only slightly dependent on phase flow rates. In addition, empirical correlations to predict the overall mass transfer coefficients have been developed. The proposed correlations based on dimensionless numbers can be considered as a useful tool for the possible scale up of the multistage column extractor.

关键词: Multistage column, Mass transfer coefficient, Axial dispersion model, Sherwood number

Abstract: The volumetric overall mass transfer coefficients in a multistage column have been measured using axial dispersion model for toluene-acetone-water system. The effect of operating parameters on the volumetric overall mass transfer coefficients has been investigated for both mass transfer directions. The results show that the mass transfer performance is strongly dependent on rotor speed and mass transfer direction, although only slightly dependent on phase flow rates. In addition, empirical correlations to predict the overall mass transfer coefficients have been developed. The proposed correlations based on dimensionless numbers can be considered as a useful tool for the possible scale up of the multistage column extractor.

Key words: Multistage column, Mass transfer coefficient, Axial dispersion model, Sherwood number

Mehdi Asadollahzadeh, Ahad Ghaemi, Meisam Torab-Mostaedi, Shahrokh Shahhosseini. Experimental mass transfer coefficients in a pilot plant multistage column extractor[J]. , 2016, 24(8): 989-999.

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Experimental mass transfer coefficients in a pilot plant multistage column extractor

Experimental mass transfer coefficients in a pilot plant multistage column extractor

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