臺灣博碩士論文加值系統

摘 要
本研究探討分別以Amberlyst 35及Amberlyst 39為觸媒合成丙酸丁酯之非均相酯化反應的動力行為。反應在一固定床式反應器中進行，丙酸丁酯合成反應系統操作於60℃~120℃之間，兩者之進料醇/酸莫耳比皆介於2:1至1:2間。
實驗結果顯示酯化反應的酸之平衡轉化率隨溫度及醇/酸莫耳比的增加而提高；且以Amberlyst-39為觸媒較使用Amberlyst-35觸媒之丙酸丁酯合成反應速率快；同時也發現這些反應系統由薄膜擴散與孔隙擴散所造成的質傳阻力大致上可忽略不計。
動力數據分別以擬均相動力模式、Langmuir-Hinshelwood、Modified Langmuir-Hinshelwood及Eley-Rideal與Modified Eley-Rideal動力模式關聯出各模式中的正向速率碰撞頻率與活化能以及吸附常數；發現水在Amberlyst系列觸媒內有極強烈吸附；且關聯結果以Modified E-R(D)和Modified L-H(D)模式所得結果較好。

目 錄
英文摘要 1
中文摘要 2
第一章 緒論 3
1-1 前言 3
1-2 文獻回顧 6
1-3 本研究之重點 14
第二章 酯化反應之動力行為量測 17
2-1 儀器裝置 17
2-2.藥品 18
2-3.觸媒填充 19
2-4 實驗步驟 20
2-5 數據處理 21
2-6 酯化反應實驗結果 22
2-7觸媒性能的比較 24
2-8結果與討論 24
第三章 理想溶液擬均相動力模式 41
3-1 動力模式 41
3-2 反應平衡常數計算 41
3-3 反應速率常數計算 43
第四章 非理想溶液動力模式 52
4-1 平衡常數 52
4-2 非理想溶液動力模式 53
4-3 正向速率常數與吸附常數的訂定 57
4-4 丙酸丁酯系統之動力模式關聯結果 60
第五章 結論與建議 79
參考文獻 81
符號說明 87

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