| Autor: |
Mutoru, J. Wambui, Leahy-Dios, Alana, Firoozabadi, Abbas |
| Předmět: |
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| Zdroj: |
AIChE Journal; Jun2011, Vol. 57 Issue 6, p1617-1627, 11p, 6 Charts, 10 Graphs |
| Abstrakt: |
We propose a new model for calculating infinite dilution diffusion coefficients for carbon dioxide and water mixtures. The model takes into account temperature dependence of the dipole moment of water and polarizability of CO, and fits experimental COHO data at low and high pressures with an accuracy of 4.9%. Remarkably, the proposed model also accurately predicts infinite dilution diffusion coefficients for other binary water mixtures where solute polarizability is close to that of CO, such as CH, CH, CH, and HS. Moreover, we present-to the best of our knowledge-the first predictions of composition-based Fickian diffusion coefficients for COHO mixtures over the temperature range 298.15-413.15 K, and pressures up to 50 MPa. © 2010 American Institute of Chemical Engineers AIChE J, 2011 [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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