Predictive correlation of binary diffusion and self-diffusion coefficients under supercritical and liquid conditions
The Journal of Supercritical Fluids, ISSN: 0896-8446, Vol: 46, Issue: 3, Page: 280-284
2008
- 36Citations
- 27Captures
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Article Description
The hydrodynamic equation D / T = αη β, where D is the infinite dilution binary diffusion or self-diffusion coefficient, T is the temperature, η is the fluid viscosity, and α and β are constants, were demonstrated to be effective for predicting both binary diffusion and self-diffusion coefficients in high density fluids, i.e. liquid and supercritical states. When a solute was specified, the correlation well represented both binary diffusion and self-diffusion coefficients, irrespective of solvent over a wide solvent viscosity range. The solute-dependent constants α and β were determined for 12 solutes with average absolute deviation of 6.2% for 1006 data points.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0896844608000788; http://dx.doi.org/10.1016/j.supflu.2008.03.004; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=49449086956&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0896844608000788; https://dx.doi.org/10.1016/j.supflu.2008.03.004
Elsevier BV
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