Volatilization of ketones from water
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Abstract
The overall mass-transfer coefficients for the volatilization from water of acetone, 2-butanone, 2-pentanone, 3-pentanone, 4-methyl-2-pentanone, 2-heptanone, and 2-octanone were measured simultaneously with the oxygen-absorption coefficient in a laboratory stirred water bath. The liquid-film and gas-film coefficients of the two-film model were determined for the ketones from the overall coefficients, and both film resistances were important for volatilization of the ketones.
The liquid-film coefficients for the ketones varied with the 0.719 power of the molecular-diffusion coefficient, in agreement with the literature. The liquid-film coefficients showed a variable dependence on molecular weight, with the dependence ranging from the −0.263 power for acetone to the −0.378 power for 2-octanone. This is in contrast with the literature where a constant −0.500 power dependence on the molecular weight is assumed.
The gas-film coefficients for the ketones showed no dependence on molecular weight, in contrast with the literature where a −0.500 power is assumed.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Volatilization of ketones from water |
| Series title | Water, Air, & Soil Pollution |
| DOI | 10.1007/BF00283158 |
| Volume | 17 |
| Issue | 3 |
| Year Published | 1982 |
| Language | English |
| Publisher | D. Reidel Publishing Co |
| Contributing office(s) | Toxic Substances Hydrology Program |
| Description | 13 p. |
| First page | 281 |
| Last page | 293 |
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