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研究生： 高嘉宏
Chia-hung Kao
論文名稱： MFI沸石薄膜的合成、鑑定與應用
指導教授： 趙桂蓉
Kuei-jung Chao
口試委員:
學位類別： 碩士
Master
系所名稱： 理學院 - 化學系
Department of Chemistry
論文出版年： 2000
畢業學年度： 88
語文別： 中文
論文頁數： 93
中文關鍵詞： MFI沸石薄膜 、silicalite-1膠體 、氣相轉化 、二次成長 、氮氣吸附 、氪氣吸附 、CO2超臨界流體
外文關鍵詞： MFI membrane, silicalite-1 colloid, vapor phase transport, secondary growth, nitrogen adsorption, krypton adsorption, CO2 supercritical fluid
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    • 採用clear solution的方法合成silicalite-1之膠體(colloid)溶液。經由17 hr和 24 hr的反應時間，可由粒徑儀測得溶液中所含的膠體分別為60 nm和100 nm粒徑之均勻顆粒。以旋轉披覆於矽晶片上預披覆100 nm粒徑的silicalite-1沸石膠體為晶種，經由氣相轉化(VPT)的處理，可製備呈連續性堆積且膜厚為次微米級的沸石鍍膜；而以自然沉降或旋轉披覆的方式，於鋁陽極處理膜上預披覆60 nm沸石膠體為晶種，經由水熱二次成長的過程後，沸石膠體會成長成沸石膜，再經由氣相轉化(VPT)的處理後，沸石膜會緊密黏合，如此可製備呈連續性堆積且膜厚為次微米級的沸石透膜。並以SEM和XRD偵測沸石膜表面的披覆情形，以等溫物理吸附來分析沸石膜的表面積及其多孔性。而在caffeine的萃取應用上，於CO2超臨界流體系統中，此透膜對CO2和caffeine的分離，可以達到93 %的排除率。

    第一章 緒論...............................................1 1. 1 沸石膜................................................1 1. 2 沸石膜之製備..........................................5 1. 3 沸石膜之成長..........................................9 1. 4 沸石之物理吸附.......................................12 1. 5 吸附原理.............................................17 1. 6 本論文的目的及方法...................................21 第二章 實驗...............................................22 2. 1 藥品和設備...........................................22 2. 2 Silicalite-1沸石膠體的合成..........................23 2. 3 Silicalite-1沸石鍍膜之製備..........................25 2. 4 Silicalite-1沸石透膜之製備..........................28 2. 5 沸石膜之鑑定分析.....................................35 第三章 結果...............................................38 3. 1 Silicalite-1沸石膠體的合成..........................38 3. 2 Silicalite-1沸石鍍膜之製備..........................41 3. 3 Silicalite-1沸石透膜之製備..........................44 3. 4 Silicalite-1沸石膜之光譜鑑定........................59 3. 5 沸石表面之物理分析...................................61 3. 6 沸石透膜於CO2超臨界流體萃取caffeine之應用............80 第四章 討論...............................................83 4. 1 Silicalite-1沸石膠體之粒子間作用力..................83 4. 2 沸石膜的製備.........................................85 4. 3 Silicalite-1沸石之物理吸附..........................87 第五章 結論...............................................90 第六章 參考文獻...........................................91

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