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題 名 | Vapor-Liquid Equilibria of Water + Acetic Acid, and Water + Propionic Acid Systems Saturated with Sodium Chloride=飽和氯化鈉於水+乙酸與水+丙酸系統之汽液平衡 |
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作 者 | 夏一民; 姚天賜; 曾憲政; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 31:1 2000.01[民89.01] |
頁 次 | 頁41-47 |
分類號 | 348.45 |
關鍵詞 | 氯化鈉; 乙酸; 水; 丙酸系統; 汽液平衡; Vapor-liquid equilibrium; Sodium chloride; Acetic acid; Propionic acid; Water; |
語 文 | 英文(English) |
中文摘要 | 本論文報告在常壓下飽和氯化鈉於水+乙酸於水+丙酸系統之汽液平衡數據,所有汽液平衡實驗數據均滿足Herington熱力學一致性測試,由汽液平衡實驗數據觀察得知水為一鹽入組成。對於飽和氯化鈉+水+乙酸系統之汽液平衡,在水莫耳分率74.09%處會形成一個共沸點;對於飽和氯化鈉+水+丙酸系統之汽液平衡,其共沸點會由94.97變為81.25%。在不增加任何可調為參數的情況,利用本研究小組過去所發展之計算方法來預估汽液平衡之鹽效應,對於這兩種系統,預估結果均與實驗數據相當吻合,其汽相組成與沸點之平均偏差分別小於1.7mol%與1.6K。 |
英文摘要 | The vapor-liquid equilibrium data for water + acetic acid and water + propionic acid systems saturated with sodium chloride are reported at atmospheric pressure. The experimental data satisfy the Herington thermodynamic consistency test. Water is observed to be a salting-in component. An azeotrope is fanned at 74.09 mol % of water for the saturated sodium chloride + water + acetic acid system. For the water + propionic acid system, the location of azeotrope is changed from 94.97 to 81.25 mol % of water when saturated sodium chloride is added to the system. Without any additional adjustable parameter, a calculation method developed in our previous work is utilized to predict the salt effect on the vapor-liquid equilibrium. For both systems, the predicted results agree well with the experimental data, with the mean deviations of vapor-phase composition and bubble point temperature being less than 1.7 mol % and 1.6 K, respectively. |
本系統中英文摘要資訊取自各篇刊載內容。