臺灣博碩士論文加值系統

本研究利用溶膠凝膠法製備二氧化鈦和氮改質二氧化鈦（NT），以水熱法製備中孔洞二氧化矽MCM-41，並將兩種材料複合，用以降解偶氮染料AR27。其中氮改質二氧化鈦以不同氮鈦莫耳百分比（0.1、0.2、0.5、0.75、10）製成，而MCM-41/ TiO2複合材料（MT）則是以重量比2：1、1：1、1：2複合，合成之材料以FE-SEM、TEM、XRD、UV-Vis、BET、Zeta potential、FTIR分析其特性差異。光催化降解AR27主要分為兩部分，第一部分為求出NT及MT之最佳比例，並備製最佳比例之材料（MNT），並以MNT進行第二部分不同操作參數之實驗，包含不同初始pH、不同初始濃度及不同光源。
根據實驗發現，0.1 %氮改質二氧化鈦以及MCM-41/ TiO2¬重量比為1：2時為最佳的複合比例，而根據材料表面特性分析之結果，其主要晶型為銳鈦礦，零電位點pH為5.5，比表面積為339.54 m2/g。
在不同操作條件部分，初始pH以不調整及酸性條件達到99 %去除率有最佳的效果；不同初始濃度以10mg/L為最佳之操作條件；不同光源以紫外光作為照射光源有較佳的色度去除率及礦化率，以可見光則有些許的色度去除率，但沒有礦化率。綜合以上結果，本實驗所製備之複合材料對於染料AR27色度去除有良好的能力。

In this study, TiO2 and N-TiO2（NT）were synthesized by sol-gel method. MCM-41 was synthesized by hydrothermal method. New composite photocatalysts MCM-41/TiO2 and MCM-41/N-TiO2 were prepared with the combination of these two materials.and applied to degrade azo dye AR27. TiO2 was modified by nitrogen with different molar ratios （N：Ti） which are 1%, 2%, 5% 7.5 % and 10 % respectively. The MCM-41/ TiO2 composite（MT）was made with different MCM-41：Ti weight ratio（2：1,1：1,1：2）. FE-SEM、TEM、XRD、UV-Vis、BET、Zeta potential、FTIR were used to characterize the composites.
Two major parameters were studied in the photocatalytic experiment . First,finding the optimal ratio of the composite（MNT）,and the second one was using MNT to find the optimal operating parameters, including different pH, initial concentrations of AR27, and light sources.
The results demonstrated that the optimal ratio of MCM41/N- TiO2 in molar ratios（N：Ti） was 1%, for MCM41/ TiO2 was 1：2 in weight ratio. According to the characterization result, the main crystal structure was anatase phase, the pH zeta potential was 5.5, and the specific surface area was 339.54 m2/g.
With different operating conditions being tested in this study, acidic initial pH and conditions without any adjustment showed the best efficiency of decolorization and removal rate was up to 99%. The initial concentrations of AR27 in 10 mg/L was the optimal operating concentration. There are better color removal and mineralization rate under ultraviolet light irradiation. There is slightly color removal but no mineralization under visible light irradiation.
According to the above experiment results, the preparation of composite showed great decolorization efficiency for AR27.

摘要 i
Abstract ii
目錄 iii
圖目錄 vi
表目錄 ix
第一章 緒論 1
第二章 文獻回顧 2
2-1染整廢水概述 2
2-1-1染整廢水介紹 2
2-1-2染整廢水處理技術 3
2-1-3各國染整業廢水管制標準 6
2-2 染料概述及AR27基本特性介紹 8
2-3 MCM-41概述 9
2-3-1 MCM-41基本特性 9
2-3-2 MCM-41合成機制與方法 10
2-4二氧化鈦光觸媒概述 11
2-4-1二氧化鈦基本特性 11
2-4-2二氧化鈦製備方法 14
2-5MCM-41/二氧化鈦共參雜 16
2-6二氧化鈦改質 17
2-6-1過渡金屬改質 17
2-6-2貴金屬改質 18
2-6-3非金屬改質 19
2-7光催化反應 20
2-7-1二氧化鈦光催化反應機制 20
2-7-2氮改質二氧化鈦反應機制 22
2-7-3 光催化降解AR27反應機制 23
第三章 實驗設備與方法 26
3-1 實驗架構 26
3-2 實驗藥品 27
3-3 實驗設備與分析儀器 28
3-4實驗內容與方法 29
3-4-1光觸媒製備 29
3-4-2 MCM-41製備 30
3-4-3複合材料製備 32
3-4-4光催化實驗 33
3-5分析項目及方法 36
3-5-1觸媒特性分析 36
3-5-2水樣品分析 39
第四章 結果與討論 41
4-1光觸媒特性分析 41
4-1-1場發射掃描式電子顯微鏡（FE-SEM） 41
4-1-2穿透式電子顯微鏡（TEM） 54
4-1-3比表面積分析儀（BET） 61
4-1-4高解析X光繞射分析 63
4-1-5傅立葉紅外光譜（FT-IR） 69
4-1-6紫外光/可見光光譜分析 71
4-1-7界達電位儀 73
4-2前置實驗 78
4-2-1背景實驗 78
4-2-2直接光解實驗 79
4-2-3暗吸附實驗 80
4-3光催化實驗 82
4-3-1 不同重量比MCM-41/TiO2光催化活性 82
4-3-2 不同光源及不同氮改質比例TiO2光催化活性 84
4-3-3 不同染料初始pH值光催化活性 87
4-3-4 不同染料初始濃度光催化活性 88
4-3-5 不同光源光催化活性比較 89
第五章 結論與建議 91
5-1結論 91
5-2建議 93
參考文獻 94
附錄 100

1.中文部分
（1） 圖書
經濟部工業局（2011）產業節水與水再生技術手冊
經濟部工業局（1994）染整業水污染防治技術
（2） 中文文獻
鍾志遠（2009），不同底材（鈦/白金/玻璃/ITO玻璃）對於二氧
化鈦薄膜的觸媒特性，博士論文，國立海洋科技大學輪機
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沈善鎰（2013），摻雜過渡金屬之觸媒電極於表面特性及電觸媒
效應之研究，博士論文，國立國立中興大學環境工程學系。
（3） 網路資源
台灣區棉布印染整理工業同業公會
http://www.prtdyeing.org.tw/news/?mode=data&id=653
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