頁籤選單縮合
題名 | 以超臨界二氧化碳萃取花生中的花生油=Extraction of Peanut Oil with Supercritical Carbon Dioxide |
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作者 | 梁明在; 陳俊豪; | 書刊名 | 義守大學學報 |
卷期 | 4 1997.08[民86.08] |
頁次 | 頁299-310 |
分類號 | 466.175 |
關鍵詞 | 超臨界二氧化碳; 花生油; 萃取曲線; Supercritical carbon dioxide; Peanut oil; Extraction curves; |
語文 | 中文(Chinese) |
中文摘要 | 本文以一套高壓裝置進行以超臨界二氧化碳萃取花生中花生油之研究,並以Sovova的質傳模式模擬本次實驗的萃取曲線。由模式模擬所估算而得的參數以類似於Colburn J-因子的方法分析發現外質傳係數與操作壓力、以及填充床孔隙度的乘積與二氧化碳重量流速除上黏度的值呈指數函數的關係。對於相同的花生粉粒徑而言,影響內質傳阻力的主要因素鬥為萃取時的操作壓力。 |
英文摘要 | A high pressure apparatus is set up to study the extraction of peanut oil with supercritical carbon dioxide. The extraction curves are completely fitted by a mass transfer model established by Sovova. On analogy to the Colburn J-factor and using the parameters estimated from the modelling, the product of external mass transfer coefficient, extraction pressure, and void fraction of the packed bed is an exponential function of the mass flow rate of carbon dioxide divided by the viscosity of the supercritical carbon dioxide. The internal mass transfer coefficient is mainly affected by the extraction pressure for the same particle size. |
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