研究生: |
鐘欣宜 Xin-Yi Zhong |
---|---|
論文名稱: |
以新型離子液體自水溶液中萃取金屬離子的研究 Metal Ions Extraction from Their Aqueous Solutions by Using New Ionic Liquids |
指導教授: |
李明哲
Ming-Jer Lee |
口試委員: |
吳弦聰
Hsien-Tsung Wu 翁文爐 Wen-Lu Weng |
學位類別: |
碩士 Master |
系所名稱: |
工程學院 - 化學工程系 Department of Chemical Engineering |
論文出版年: | 2018 |
畢業學年度: | 106 |
語文別: | 中文 |
論文頁數: | 91 |
中文關鍵詞: | 離子液體 、萃取 |
外文關鍵詞: | Ionic liquids, Extraction |
相關次數: | 點閱:458 下載:2 |
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本研究以離子液體做為「綠色溶劑」,探討在室溫下自水溶液中萃取金屬離子的效果。我們自行合成兩種新型離子液體[MOPS][TBA]與[MOPS][TBP],並量測其pKa值,以及求取與金屬離子的穩定常數。進而以雲點法量測含離子液體水溶液與檸檬酸鈉系統的液液相邊界。
本研究也配製含10 ppm之鐵離子(Fe3+)、鉻離子(Cr3+)、銪離子(Eu3+)、釤離子(Sm3+)、鈰離子(Ce3+)、鈷離子(Co2+)及鎳離子(Ni2+)之水溶液,以新型離子液體[MOPS][TBA]與[MOPS][TBP]為萃取劑再加入檸檬酸鈉(sodium citrate)為鹽析劑進行金屬離子的分離實驗,探討萃取效率。
In this study, ionic liquids were used as "green solvents" to investigate the effect of extracting metal ions from aqueous solutions at room temperature. We synthesized two new ionic liquids [MOPS] [TBA] and [MOPS] [TBP] and measured their pKa values as well as the stability constants for the metal ions. The liquid-liquid phase boundaries of the aqueous solutions of ionic liquid in the presence of sodium citrate were measured by cloud point method.
This study also prepared 10 ppm of iron ions (Fe3+), chromium ions (Cr3+), europium ions (Eu3+), samarium ions (Sm3+), cerium ions (Ce3+), cobalt ions (Co2+), and nickel ions (Ni2+) solution, and used the new ionic liquid [MOPS] [TBA] and [MOPS] [TBP] as extractant and sodium citrate as a salting-out agent for conducting metal ion separation experiments and explore the extraction efficiency .
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