Diffusion Coefficients and Viscosities of CO2 + H2O, CO2 + CH3OH, NH3 + H2O, and NH3 + CH3OH Liquid Mixtures

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Frank, M.J.W. and Kuipers, J.A.M. and Swaaij van, W.P.M. (1996) Diffusion Coefficients and Viscosities of CO2 + H2O, CO2 + CH3OH, NH3 + H2O, and NH3 + CH3OH Liquid Mixtures. Journal of Chemical & Engineering Data, 41 (2). pp. 297-302. ISSN 0021-9568

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Abstract:To evaluate quantitatively the results of gas-liquid absorption experiments, accurate liquid-phase diffusion coefficients and viscosities are needed. In this paper experimental values of these quantities will be reported for the binary systems carbon dioxide + water, carbon dioxide + methanol, ammonia + water, and ammonia + methanol. The diffusion coefficients have been measured using the Taylor-Aris dispersion method, and the viscosities have been measured with a falling ball viscometer at temperatures from 293 to 333 K. The ammonia mole fraction ranged from 0 to 0.312. The results have been correlated using Arrhenius-type equations and have been compared with literature data, where available. Furthermore, the measured diffusion coefficients are compared with values predicted by the modified Stokes-Einstein equation and the Wilke-Chang equation.
Item Type:Article
Copyright:© 1996 American Chemical Society
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/57069
Official URL:http://dx.doi.org/10.1021/je950157k
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Metis ID: 292093