臺灣博碩士論文加值系統

本研究主要要是在量測包含水與正丙醇共沸物的三成份液液相平衡數據，藉由三成份的液液相平衡的結果，企圖尋找適合分離水與正丙醇的共沸混合物之優良挾帶劑(萃提劑)。
本實驗分別選取了乙酸異丁酯、乙酸異丙酯與2-丁醇作為挾帶劑，在室壓下分別於298.15 K、308.15 K、318.15 K三個溫度下，以雲點法完成了平衡曲線的製作，此外也利用氣相層析儀，完成了縛線的數據量測。
實驗數據我們以Othmer-Tobias的縛線經驗式對照是否合理;在如何判斷挾帶劑能力，我們引用分離因子(S)處理的結果顯示，各挾帶劑的能力以乙酸異丁酯最優乙酸異丙酯次之，2-丁醇則效果不顯著，溫度效應對本研究量測的三組三成份液液相平衡行為影響不大。
本研究所量測的縛線數據我們以UNIQUAC模式關連，由這些模式所得最佳化的參數值，可用來預測多成份系統的相平衡行為，來設計可行的分離程序，作為工業上設計共沸分離程序的參考資料。

In this research , we choose Iso-butyl acetate , Iso-propyl acetate and 2-butanol as entrainers . Meatrue ternary systems of phase behavior at 298.15 K, 308.15 K and 318.15 K.
To find out the potential entrainers is what the subject of this project wants to do. In order to transform the aqueous azeotropic binary system to the separable ternary system at 760 mmHg. The ternary system of phase behavior (LLE) will be studied and measured in experiments. We check experimental data by Othmer-Tobias empirical equation.
According to the experimental data show that Iso-butyl acetate is better than Iso-propyl acetate and 2-butanol. Especially, 2-Butanol is not a suitable entrainer.The tempture effect does not work much in these ternary systems.
The experimental data will be correlated with the UNIQUAC model. The models with the determined model parameters will be apply to predict the phase behavior of multicomponent systems. Provide usable data to design separation process from the measurement of the multicomponent phase equilibrium system design behavior. The research could be the reference information for separation process in chemical engeenering.

中文摘要 i
英文摘要 ii
誌謝 iii
目錄 iv
表目錄 vi
圖目錄 viii
第一章 緒論 1
1.1 前言 1
1.2 共沸與共沸蒸餾 2
1.3 研究的動機與目的 2
1.4 液液相平衡類型 3
1.5 本文各章重點 3
1.6 系統文獻收集 3
第二章 三成份液液相平衡量測 6
2.1 液液相平衡實驗量測裝置與操作 6
2.2 實驗藥品 9
2.3 校正曲線偏差計算 9
2.4 平衡曲線的製作―雲點法 11
2.5 縛線數據的量測 11
2.6 液液相平衡的數據處理 12
第三章 三成份液液相平衡計算 52
3.1 活性係數模式回顧 52
3.2 三成份液液相平衡 53
3.3 UNIQUAC模式(Universal Quasichemical) 54
3.4 最適化計算 55
第四章 結論與建議 68
4.1 結論 68
4.2 實驗建議 68
參考文獻 70
符號說明 73

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