多孔性吸附介質之表面改質及其對有害重金屬吸附之研究

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謝育甄(Yu-Chen Hsieh) 查詢紙本館藏

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論文名稱

多孔性吸附介質之表面改質及其對有害重金屬吸附之研究
(Surface modification of porous materials and application for the adsorption of heavy metal)

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摘要(中)

本研究有鑑於多孔性吸附介質孔洞大小分佈不均、比表面積不夠高，且對特定金屬無選擇性之因素。本研究透過不同改質方法，於不同水熱合成條件合成之多孔性介質表面以不同改質劑進行改質，藉此探討多孔性介質之孔洞大小、比表面積變化、表面結構之差異、官能基之鍵結量多寡與使用不同改質劑對不同重金屬 (Cu2+、Zn2+、Ag+) 選擇性吸附效果之影響。以達到找尋擁有對特定重金屬吸附能力良好之吸附介質，解決對環境有害之重金屬汙染問題。
　　本研究將改質前後多孔性吸附介質分別進行 ASAP、FTIR、XRD、SEM 及 EA 分析，探討不同改質參數對吸附介質特性之影響。由研究成果得知改質後 C9-106 吸附重金屬能力較改質後 C16佳。C9-106 與 C16 鍵結含有三個胺基之官能基後，吸附 Cu2+、Zn2+ 及 Ag+ 效果較鍵結氰基者佳。另外，以含三個胺基官能基及含CN官能基之改質劑改質後之 C9-106 與 C16 分別對此三種金屬之親和力：Ag+>Cu2+>Zn2+。

摘要(英)

Two mesoporous materials, C16 and C9-106, was modified with N1-(3-Trimethoxysilylpropyl) diethylenetriamine (-3N), 3-Cyanopropyltriethoxysilane (-CN), and 3-Aminopropyltriethoxysilane (-1N). Finally, the removal of heavy metal (Cu2+, Zn2+ and Ag+) using modified mesoporous was investigated.
The aim of the study was to discuss about pore size, surface area, structure of surface, amount of functional group and selectivity of heavy metal.
The mesoporous materials are characterized by ASAP, FTIR, XRD, SEM and EA. Through the adsorption experimental results, we found that the adsorption capacity of modified C9-106 is higher than that of C16. Moreover, among the modification processes to remove Cu2+, Zn2+ and Ag+, the ability of the modified C9-106 by 3N functional silanes was better than that of others. On the other hand, the modified C16 and C9-106 by 3N and CN functional silanes removed the target heavy metal ions in the selectivity order of Ag+ > Cu2+ > Zn2+.

關鍵字(中)

★ 選擇性
★ 吸附
★ 多孔性吸附介質
★ 改質
★ 重金屬

關鍵字(英)

★ adsorption
★ mesoporous materials
★ modify
★ heavy mental
★ selectivity

論文目次

目錄 I
圖目錄 IV
表目錄 IX
第一章緒論 1
1-1 研究緣起 1
1-2 研究目的與內容 3
第二章文獻回顧 4
2-1 多孔性吸附介質發展 4
2-2 多孔性吸附介質特性 5
2-2-1 合成多孔性吸附介質之途徑及方法 5
2-2-2 合成多孔性吸附介質之形成機制 8
2-2-3 多孔性吸附介質之表面改質 9
2-3 表面改質後之多孔性吸附介質的應用 14
2-4 重金屬汙染 16
2-4-1 重金屬來源與危害 16
2-4-2 去除重金屬之方法 18
2-5 吸附理論 19
2-5-1 氣態等溫吸附線 22
2-5-2 等溫吸附模式 24
第三章研究方法 28
3-1 研究內容與流程 28
3-2 實驗材料 31
3-3 實驗設備與儀器 32
3-3-1 實驗設備 32
3-3-2 實驗儀器 34
3-4 多孔性吸附介質合成實驗 41
3-5 多孔性吸附介質改質實驗 42
3-4-1 改質方法 A 43
3-4-2 改質方法 B 44
3-6 表面改質覆蓋率計算 46
3-7 重金屬吸附實驗 47
第四章結果與討論 49
4-1 改質多孔性吸附介質之基本物化特性鑑定 49
4-1-1 以改質方法 A 改質後吸附介質之基本特性 49
4-1-2 以改質方法 B 改質後吸附介質之基本特性 70
4-2 重金屬吸附實驗 81
4-2-1 Cu2+ 之等溫吸附模式 81
4-2-2 Zn2+ 之等溫吸附模式 85
4-2-3 Ag+ 之等溫吸附模式 88
4-2-4 改質後鍵結氰基吸附劑之等溫吸附模式 95
4-2-5 改質後鍵結三個胺基吸附劑之等溫吸附模式 97
4-2-6 兩種改質方法之比較 99
第五章結論與建議 101
5-1 結論 101
5-2 建議 103
參考文獻 104

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指導教授

李俊福(Jiunn-Fwu Lee)

審核日期

2011-7-27

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