• 作者： Lin, Wen-Fa; Tan, Chung-Sung
• 中文摘要： 本文提供在高壓二氧化碳中乙基苯及鄰二甲苯於353K和40.8大氣壓下在Silicalite吸附劑上之平衡吸附量。實驗數據顯示該吸附劑對乙基苯之吸附力遠高於鄰二甲苯。吸附平衡量可利用BET等溫式加以描述。利用所得之等溫式以及非理想吸附溶液理論,本文提供了一合併軸向擴散、界面質傳,及內部擴散等阻力之數學模式。此模式對乙基苯-鄰二甲苯-二氧化碳系統所推測之吸附槽行為與文獻上所提供之數據有不錯之吻合度。
• 英文摘要： The equilibrium loadings of ethylbenzene and m-xylene from carbon dioxide on silicalite at 353K and 40.8 atm were measured by the adsorption and desorption technique in a packed column. The silicalite adsorbent had been indicated by the experimental data to be able to adsorb more ethylbenzene than m-xylene. The BET isotherm expression was found to satisfactorily correlate with the data. A mathematical model lumping the effects of axial dispersion, interphase mass transfer and intraparticle diffusion resistances for a multicomponent adsorption column under high pressure operations was developed through means of the isotherm obtained and the nonideal adsorbed solution theory. The column behavior predicted by the proposed model was found to agree reasonably well with that provided by Lin and Tan (1991) for the system CO/sub 2/-ethylbenzene-m-xylene-silicalite at 353K and 40.8 atm.
• 中文關鍵字： 平衡負載; 高壓操作; 非理想吸附溶液理論; 多成分系統
• 英文關鍵字： Equilibrium Loading; High Pressure Operation; Nonideal Adsorbed Solution Theory; Multicomponent System