本研究使用批式反應器分別探討丙二醇甲醚醋酸酯與丙二醇甲醚丙酸酯合成反應之非均相反應動力行為，反應中使用酸性陽離子交換樹脂Amberlyst 36為觸媒。實驗操作於343.15 K至388.15 K之間，此外，並探討(醇/酸)進料莫耳比、觸媒質傳阻力以及觸媒添加量之效應。
反應動力實驗結果顯示，反應速率隨著反應溫度、(醇/酸)進料莫耳比、觸媒量以及轉速提高而加快，而昇高反應溫度與(醇/酸)進料莫耳比也會提升酸之平衡轉化率。經由吸附平衡實驗結果得知，丙二醇甲醚醋酸酯與丙二醇甲醚丙酸酯之合成反應中各成分於Amberlyst 36之吸附強度分別依序為水 > 丙二醇甲醚 > 丙二醇甲醚醋酸酯 > 醋酸與水 > 丙酸 > 丙二醇甲醚 > 丙二醇甲醚丙酸酯。
丙二醇甲醚醋酸酯與丙二醇甲醚丙酸酯合成反應動力數據均分別以理想溶液擬均相模式(IQH)、非理想溶液擬均相動力模式(NIQH)、Eley-Rideal(ER)模式、Langmuir-Hinshelwood-Hougen- Watson (LHHW)模式以及LHHW with Ka (LHHW-Ka)模式關聯，並求得最適化的動力參數值，NRTL模式則用於計算各反應成分之活性係數，關聯的結果顯示LHHW模式為描述丙二醇甲醚醋酸酯與丙二醇甲醚丙酸酯合成反應的非均相催化動力行為的最佳模式。

The heterogeneous kinetics behavior was investigated with a batch reactor for the synthesis of propylene glycol monomethyl ester acetate (PGMEA) and propylene glycol monomethyl ether propionate (PMP) over cation-exchange resins, Amberlyat 36. The experiments were conducted at tempertures from 343.15 K to 388.15 K. Additionally, the effects of molar ratio of propylene glycol monomethyl ester(PGME) to acids in the feed stream , the mass transfer resistance on the catalytic reaction and the different levels of catalyst loadings were also observed.
The reaction rate of acids increased with increase of reaction temperature, molar ratio of PGME to acids in the feed stream, catalyst loading and rotational speed. Furthermore, the equilibrium conversion of acids increased with increase of reaction temperature and molar ratio of methanol to acids in the feed stream. The relative adsorption strengths of the reacting species were determined by adsorption experiments. The results for the synthesis of PGMEA and PMP indicated that the magnitude of adsorption strengths on Amberlyst 36 followed the order of water > PGME > PGMEA > acetic acid and water > propionic acid > PGME > PMP, respectively.
The kinetic data of the synthesis of PGMEA and PMP were correlated with the ideal-quasi-homogeneous (IQH), the non-ideal-quasi-homogeneous (NIQH), the Eley-Rideal (ER), the Langmuir-Hinshelwood-Hougen-Watson (LHHW) and the Langmuir-Hinshelwood-Hougen-Watson with Ka (LHHW-Ka) models, respectively. The optimal values of the kinetic parameters were determined from the data fitting. The NRTL model was used to calculate the activity coefficients for each reacting species. The LHHW model yielded the best representation for the kinetic behavior of heterogeneous catalytic synthesis of PGMEA and PMP.

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