Experimental validation of the Maxwell-Stefan theory for the description of liquid-side mass transfer-absorption of NH3 in water using a stirred cell.

M.J.W. Frank, M.J.W. Frank, J.A.M. Kuipers, Willibrordus Petrus Maria van Swaaij

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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%.
Original languageUndefined
Pages (from-to)2619-2624
Number of pages6
JournalChemical engineering science
Issue number11
Publication statusPublished - 1996


  • METIS-106382
  • IR-11876

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