臺灣博碩士論文加值系統

由於超臨界流體本身特有的物化性質，使得近年來廣泛地取代有機溶劑成為一種新興的清潔製程(如咖啡因的去除、SCORR等)。而企業在面對全球化的競爭日趨激烈下，所伴隨而來的是毛利正逐年下降，若能以有效且最省能源方式進行回收溶劑並加以再利用，將對於企業提高國際競爭力產生一股不小的助益。由於SCORR目前面臨到其作用機制並不十分明確，再加上光阻劑經超臨界二氧化碳等清洗過後所產生的分子並不清楚，因之本實驗選擇模擬的系統為咖啡因。
本研究是以市售的薄膜做為再生超臨界流體的方法，其內部分離層孔徑為5 nm，配搭超臨界流體本身之特性並希望藉由外加添加物期望能與咖啡因以氫鍵形式產生complex進而增加再生的效果。實驗結果顯示在35℃及1175 psi與1600 psi下，藉由添加外加物確實有助於再生超臨界二氧化碳，所關鍵的是外加物與咖啡因形成complex的大小是否大於膜管的孔徑。

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