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題 名 | Mass Transfer of Phenol Extraction Between Two Phases in a Constant Interfacial Area Cell and Stirring Tank=在恆界面面積槽及攪拌槽之兩相酚化合物萃取之質量傳送 |
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作 者 | 王茂齡; 劉炳郎; | 書刊名 | 中國工程學刊 |
卷 期 | 21:1 1998.01[民87.01] |
頁 次 | 頁1-9 |
分類號 | 460.025 |
關鍵詞 | 質量傳送係數; 酚萃取; 路易斯槽與攪拌槽; 正一辛基銨硫酸鹽; Mass transfer coefficient; Phenol extraction; Lewis cell and stirring tank; TOA sulfate salts; |
語 文 | 英文(English) |
中文摘要 | 在本研究中,吾人提供了一個簡單之模式用以描述兩互不相溶液體間批式程序之溶質萃取,此一模式適用於溶質在兩相間之任何分配係數;在探討兩相間溶質之質傳乃藉由路易斯槽(Lewis cell)及攪拌槽達成,而我們利用雙膜理論(two-film theory)來決定跨過兩相間之質量傳送速率及在界面上之溶質平衡濃度。而實驗方面,乃利用正一辛基銨硫酸鹽溶解在正一辛基胺為溶劑以從水相中萃取酚化合物至有機相藉以測得質量傳送係數,在路易斯槽及攪拌槽之操作條件對萃取之影響皆在本論文中做詳細之討論。 |
英文摘要 | In this work, a simple model is provided which accounts for any value of distribution coefficient of a solute, to describe the mass transfer for a batch process of extracting the solute between two immiscible fluids. A Lewis cell of constant interfacial area and a stirring tank were employed as the apparatuses for measuring the mass transfer rates of a solute between two immiscible phases. The model, which was based on the two-film theory to determine the rate of mass transfer of solute across the interface, and the equilibrium concentration of solute at the interface, was derived and used to express the extraction of phenol. Experimental work, in which phenol was extracted from the aqueous phase to the organic phase by trioctylamine sulfate salts (TOA salts) dissolved in trioctylamine (TOA), was conducted to obtain the mass transfer coefficient. The effects of the operating conditions in a constant interfacial area cell and in the stirring tank are both discussed. |
本系統中英文摘要資訊取自各篇刊載內容。