• 作者： Lee, Ming-Jer; Wu, Hsien-Tsung; Kang, Chen-Hui; Lin, Ho-Mu
• 中文摘要： 本研究探討以酸性陽離子交換樹脂(Amberlyst 15)為觸媒之乙酸與正戊醇非均相酯化反應在303.15K至353.15K間的動力行為。實驗所得的動力數據以一擬均相模式關聯，並訂定該酯化反應在各溫度下的〝視〞反應速率常數。由此得知正向與逆向反應的活化能分別為51.74kJ．Mol/sup -1/ 與45.28kJ．Mol/sup-1/。實驗結果顯示乙酸的平衡轉化率與〝視〞平衡常數均隨溫度的昇高而增大，因而推斷該酯化反應為一吸熱反應。
• 英文摘要： The kinetic behavior of heterogeneous esterification of acetic acid with amyl alcohol was investigated at temperatures from 303.15K to 353.15K over an acidic cation exchange resin catalyst, Amberlyst 15. The kinetic data were correlated by a quasi-homogeneous model with which the apparent rate constants at each reaction temperature were determined. The activation energies of the forward and the backward reactions were found to be 51.74 kJ.bcdot.Mol/sup -1/ and 45.28kJ.bcdot.Mol/sup -1/ respectively. As evidenced from experimental results, the equilibrium conversion of acetic acid and the apparent equilibrium constant increase with increasing temperature, implying that the esterification is endothermic.
• 中文關鍵字： 動力學; 酯化反應; 乙酸戊酯
• 英文關鍵字： Kinetics; Esterification; Amyl Acetate; Amberlyst 15