An alternative method for predicting organic solute volatilization rates under gas and liquid turbulence |
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Authors: | Chao Huan-Ping Lee Jiunn-Fwu Lee Chung-Kung Huang Hui-Chen |
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Institution: | Graduate Institute of Environmental Engineering, National Central University, Chung-Li 320, Taiwan. |
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Abstract: | A method for predicting organic compound volatilization rates under turbulent liquid and gas conditions is developed. The reference compounds are classified according to their physico-chemical properties. The mass transfer coefficient (K(OL)) ratios for organic solutes to the reference compounds are constant for a wide range of environmental conditions, including liquid or air turbulence, or both at once. The obtained results indicate that when the environmental conditions are the same the determination of the volatilization rates is strongly dependent on the solute properties and the chemical structure. The presented method can more effectively estimate the volatilization rates of the solutes than the traditional one under various environmental conditions especially for low volatility solutes. The advantages and disadvantages of the traditional method are also discussed. |
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