Experimental validation of the maxwell-stefan theory for the description of liquid-side mass transfer in a binary mixture ammonia absorption in water using a stirred cell

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Frank, M.J.W. and Kuipers, J.A.M. and Swaaij, W.P.M. van (1996) Experimental validation of the maxwell-stefan theory for the description of liquid-side mass transfer in a binary mixture ammonia absorption in water using a stirred cell. Chemical Engineering Science, 51 (11). pp. 2619-2624. ISSN 0009-2509

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Abstract:The main goal of this paper is to demonstrate the validity of the Maxwell-Stefan theory for the description of liquid phase mass transport processes in a binary mixture. To critically test this theory absorption experiments of ammonia in water were conducted in a stirred cell. The flux model developed by Frank et al. (1995a) has been extended to a dynamic reactor model taking thermodynamic non-idealities and concentration and temperature dependent physical parameters into account. Calibration of the stirred cell was achieved on basis of carbon dioxide absorption experiments in water. By using the Maxwell-Stefan flux expressions instead of Fick's first law, and therefore accounting for the convective transport contributions, the deviation between theory and experiment reduces from 20-30% to 5-10%.
Item Type:Article
Copyright:© 1996 Elsevier Science Ltd.
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/11876
Official URL:http://dx.doi.org/10.1016/0009-2509(96)00126-1
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