ESTIMATION OF WBLSON PARAMETERS
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概要
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Lately the Wilson equation has been very often used in the calculation of vapor-liquid equilibrium. However, it is not easy to obtain the parameters Λij and Λji which can be determined from the binary data only. This is mainly due to nonlinearity with respect to the parameters. We present some procedures to evaluate the Wilson parameters. When a large number of data points are available, the nonlinear least-squares technique coupled with the Q function as an objective function is.to be preferred over any other techniques. Using the parameters determined from the binary data, we predicted vapor-liquid equilibria for five ternary systems at one atmosphere. The results indicate that the procedures used are of sufficient accuracy for most practical purposes.
- 公益社団法人 化学工学会の論文
著者
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Nagahama Kunio
Department Of Applied Chemistry Tokyo Metropolitan University
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Suzuki Isao
Department of Chemistry Faculty of Science The University of Tokyo
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NAGAHAMA KUNIO
Department of Industrial Chemistry, Faculty of Engineering, Tokyo Metropolitan University
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HIRATA MITSUHO
Department of Chemical Engineering, Faculty of Engineering, Tokyo Metropolitan University
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