Prediction of Effective Diffusion Coefficient in Rotating Disc Columns and Application in Design

Marzieh Amanabadi; Hossein Bahmanyar; Zohreh Zarkeshan; Mohamad Ali Mousavian

doi:10.1016/S1004-9541(08)60218-9

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Prediction of Effective Diffusion Coefficient in Rotating Disc Columns and Application in Design

Updated：2026-01-06

- Prediction of Effective Diffusion Coefficient in Rotating Disc Columns and Application in Design
- Prediction of Effective Diffusion Coefficient in Rotating Disc Columns and Application in Design
- 中国化学工程学报（英文版） 2009年17卷第3期页码：366-372
- Affiliations：
  
  Engineering College, Chemical Engineering Faculty, University of Tehran,Iran
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60218-9
  中图分类号：
- 纸质出版：2009
- Accepted：
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Marzieh Amanabadi, Hossein Bahmanyar, Zohreh Zarkeshan, 等. Prediction of Effective Diffusion Coefficient in Rotating Disc Columns and Application in Design[J]. 中国化学工程学报（英文版）, 2009,17(3):366-372.

Marzieh Amanabadi, Hossein Bahmanyar, Zohreh Zarkeshan, Mohamad Ali Mousavian. Prediction of Effective Diffusion Coefficient in Rotating Disc Columns and Application in Design[J]. , 2009, 17(3): 366-372.
Marzieh Amanabadi, Hossein Bahmanyar, Zohreh Zarkeshan, 等. Prediction of Effective Diffusion Coefficient in Rotating Disc Columns and Application in Design[J]. 中国化学工程学报（英文版）, 2009,17(3):366-372. DOI： 10.1016/S1004-9541(08)60218-9.

Marzieh Amanabadi, Hossein Bahmanyar, Zohreh Zarkeshan, Mohamad Ali Mousavian. Prediction of Effective Diffusion Coefficient in Rotating Disc Columns and Application in Design[J]. , 2009, 17(3): 366-372. DOI： 10.1016/S1004-9541(08)60218-9.

摘要

Abstract

A rotating disc column (RDC) with inner diameter 68 mm and 28 compartments is used in this study. Parameters including Sauter mean diameter

hold-up and mass transfer coefficient are measured experimentally under different operating conditions. The correlations in literature for molecular diffusion and enhancement factor equation including eddy diffusion

circulation and oscillation of drops are evaluated. A new equation for the effective diffusion coefficient as a function of Reynolds number is proposed. The calculated values of mass transfer coefficient and column height from the previous equations and present equation are compared with the experimental data. The results from the present equation are in very good agreement with the experimental results

which may be used in designing RDC columns.

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