Infinite-Dilution Binary Diffusion Coefficients of 2-Propanone, 2-Butanone, 2-Pentanone, and 3-Pentanone in CO2 by the Taylor Dispersion Technique from 308.15 to 328.15 K in the Pressure Range from 8 to 35 MPa |
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| Authors: | T Funazukuri C Y Kong S Kagei |
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| Affiliation: | (1) Department of Applied Chemistry, Institute of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan;(2) Department of Information and Science, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan |
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| Abstract: | Infinite-dilution binary diffusion coefficients of 2-propanone, 2-butanone, 2-pentanone, and 3-pentanone in carbon dioxide were measured by the Taylor dispersion method at temperatures from 308.15 to 328.15 K and pressures from 7.60 to 34.57 MPa. The D
12 values were obtained from the response curves by the method of fitting in the time domain. The accuracy in the fitting error was examined for each measurement. The measured D
12 data were found to be well correlated by the Schmidt number correlation, with AAD%=3.74% for all solutes. |
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| Keywords: | binary diffusion coefficient 2-butanone carbon dioxide curve fitting 2-pentanone 3-pentanone 2-propanone Schmidt number correlation supercritical Taylor dispersion method |
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