碳酸二乙酯與低碳醇類於常壓下之汽液相平衡

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姓名

張瑜晉(Yu-Chin Chang) 查詢紙本館藏

畢業系所

化學工程與材料工程學系

論文名稱

碳酸二乙酯與低碳醇類於常壓下之汽液相平衡

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摘要(中)

碳酸二乙酯是種工業上常用到的有機溶劑，如在紡織染料業上可用來作為合成樹酯、硝化纖維素的溶劑，也可作為燃料的添加劑來降低汙染物的排放量，同時因為它本身的電化學穩定性、介電常數、解離能力、低蒸氣壓等特性，因此常與鏈狀、環狀碳酸酯類一起作為鋰電池電解液的添加物。因此如果能更精準量測出它的物質性質如汽液平衡數據等，不只能有效提高程序設計上的效能，也可作為預測模型參數修正的參考。
在本研究中，架設一套用來量測常壓汽液相平衡的裝置且藉由碳酸二乙酯與乙醇的系統作為檢驗，隨後將分別量測在常壓下碳酸二乙酯與 2-丁醇、新丁醇的汽液平衡相圖。所有的量測數據將會以熱力學一致性進行檢驗，並且與 UNIQUAC、NRTL、COSMO-SAC、UNIFAC 等計算結果做比較。

摘要(英)

Diethyl carbonate (DEC) is widely used as a solvent in natural resin synthesizing and in textile dyeing, as a fuel additive to reduce the emission of carbon dioxide, and as a solvent for electrolytic solution in the capacitor and lithium battery, because of its electrochemical stability,
permittivity, dissociation capability, lower vapor pressure, and good solubility in gasoline. The vapor pressure of diethyl carbonate and the vapor-liquid equilibrium (VLE) of its mixtures are important information for all these applications.
In this work, an apparatus is set up to measure isobaric VLE at atmospheric pressure and validated by studying the binary mixture of DEC + ethanol. Then, we will conduct a systematic study on binary VLE of DEC + 2-butanol, 2-methyl-2-propanol at atmospheric pressure. All
these measuring data will be checked with the thermodynamic consistency test. Furthermore, the measured results will compare with calculated results from predictive thermodynamic models (COSMO-SAC and UNIFAC) and correlative thermodynamic models (UNIQUAC and NRTL) with binary interaction parameters obtained from regression of newly measured experimental data.

關鍵字(中)

★ 碳酸二乙酯
★ 2-丁醇
★ 新丁醇
★ 常壓汽液相平衡

關鍵字(英)

論文目次

摘要 v
Abstract vi
目錄 vii
圖目錄 ix
表目錄 xi
第一章緒論 1
1-1前言 1
1-2 相平衡量測系統 1
1-3 酯類介紹 3
1-4 研究動機 4
1-4-1系統介紹 4
第二章實驗 6
2-1實驗裝置 6
2-2實驗藥品 8
2-3實驗設備 8
2-4成分分析 11
2-4-1儀器分析條件 11
2-4-2檢量線 11
2-5電子溫度計校正 12
2-6實驗操作 14
2-7 實驗數據處理 14
第三章理論 16
3-1相平衡理論 16
3-2 熱力學一致性 18
3-2-1 Gibbs-Duhem 方程式 18
3-2-2熱力學一致性 19
第四章實驗數據與討論 20
4-1 檢量線擬合 20
4-2 可靠性實驗 20
4-3汽液相平衡實驗數據 21
4-4 數據迴歸 22
第五章結論 47
參考文獻 48
<附錄> 51

參考文獻

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指導教授

謝介銘(Chieh-Ming Hsieh)

審核日期

2016-7-27

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