本研究以染整廠實廠二級生物放流水為實驗用水樣，以批次式(batch ) H2O2/UV反應槽，探討氧化時間，pH，H2O2加藥量與UV照光強度等參數對H2O2/UV程序去除色度，DOC與有機物分子量分布之影響。
研究顯示，H2O2/UV 程序衍生˙OH氧化破壞發色團即可去除色度，相對地DOC去除因礦化所需較多˙OH量，故H2O2/UV 程序以脫色為主時可操作於pH 4 與pH 7，若以去除DOC為主則需操作於pH 4。H2O2加藥量50 mg/L時DOC去除率於pH 4與 pH 7分別為30%與5%，有機物(DOC)分子量分布結果顯示水樣高分子量(0.45μm-30KD)與低分子量(小於1KD)分別佔57.4%與27.8%，經H2O2/UV 程序氧化後高分子量DOC由11.7 mg/L降至2.9-5.8mg/L，高分子量DOC減少50-75%，同時低分子量DOC則由5.7 mg/L增至8.8-10.2 mg/L，低分子量DOC增加54-79 %，殘留低分子量DOC 佔殘留DOC之64%。此外，色度一階反應常數KC數值隨H2O2加藥量增加而增加，當H2O2加藥量由50 mg/L增至100 mg/L，即加藥量增加一倍，KC數值則增加3.6倍，而UV照光強度由64 watts增至128 watts時，KC增加1.4倍，故增加H2O2加藥量較增加UV照光強度更能提高處理能力。此外，增加H2O2加藥量，氧化時間與UV照光強度等，亦會促進高分子量DOC分解為低分子量DOC。

The wastewater samples studied in this paper were taken from the secondary effluent of a textile wastewater treatment plant. The experiments were conducted in a UV reactor under different conditions, including pH, H2O2 dosage, and UV intensity. At different time intervals, the treated wastewater samples were withdrawn for the analyses of residual DOC, color, and the size distribution of organic molecules.
Results show that HO‧ reacts with the color-forming species much faster than with the carbonate species. Hence, if the color removal is the main focus, it appears that there’s no need to control the pH. But the pH controlled within acidic range is required to achieve a higher DOC removal. At a low H2O2 dosage of 50 mg/L and a low UV power of 64 watts, the DOC removal was only 30% for pH 4 and 5% for pH 7. The percentages of molecular weight (M.W.) distribution of DOC for the untreated water sample are 57% (0.45 μm-10 KD), and 28%(< 1 KD). Furthermore the portion with the M.W. of 0.45 μm-10 KD decreases from 11.7 (untreated sample) to 5.8 and 2.9 mg/L (treated at pH 7 and pH 4, respectively); the percentages of reduction were 50 and 75%. On the other hand, the portion with the M.W. than 1 KD increases from 5.7 (untreated sample) to 8.8 and 10.2 mg/L (treated at pH 7 and pH 4, respectively); the increasing percentages were 54 and 79%. In addition, the first order reaction constant of color (KC) increases with the increase of H2O2 doses. The KC value increases 3.6 times as the H2O2 doses increase from 50 mg/L to 100 mg/L. In contrast, the KC values increase 1.4 times as the UV intensity increase from 64 Watts to 128 Watts. Therefore, H2O2 doses is more improver treatment efficacy than ultraviolet. In conclusion, the use of H2O2/UV process is promising in treating the secondary effluent of textile wastewater, in terms of DOC and color, for the purpose of wastewater reclamation.

第一章 前言1
1-1 研究背景1
1-2 研究目的3
第二章 文獻回顧4
2-1染整廢水特性及處理技術4
2-1-1染整廢水特性4
2-1-2 染整廢水處理技術6
2-2 H2O2/UV處理程序原理8
2-3 H2O2/UV處理程序對有機物去除之影響因素10
2-3-1 pH之影響10
2-3-2 H2O2加藥量之影響11
2-3-3 UV照光強度之影響12
2-4 分子量分布13
第三章 實驗材料與方法14
3-1 實驗材料及設備14
3-1-1實廠染整放流水14
3-1-2 H2O2/UV處理程序反應槽15
3-1-3分子量分布UF薄膜分離器18
3-2實驗方法20
3-2-1 H2O2/UV程序反應條件及分子量分布操作條件20
3-2-2 H2O2/UV前氧化程序實驗操作步驟21
3-2-3 UF膜分離器分子量分布實驗操作步驟22
3-2-4水質分析23
第四章 結果與討論25
4-1 pH對H2O2/UV氧化色度與有機物之影響25
4-1-1不同pH操作對H2O2/UV氧化色度與有機物之效果25
4-1-2 pH對有機物分子量分布之影響30
4-2 照光強度對H2O2/UV氧化色度與有機物之影響32
4-2-1 低H2O2加藥劑量不同照光強度對H2O2/UV氧化色度與有機物之影響32
4-2-2 高H2O2加藥劑量不同照光強度對H2O2/UV氧化色度與有機物之影響39
4-2-3 照光強度對有機物分子量分布之影響43
4-3 過氧化氫加藥量對H2O2/UV氧化色度與有機物之影響45
4-3-1 過氧化氫加藥量對H2O2/UV氧化色度與有機物之效果45
4-3-2 過氧化氫加藥量對有機物分子量分布之影響51
4-4 H2O2/UV前氧化色度及有機物之綜合評估53
4-4-1 操作參數對H2O2/UV前氧化色度及有機物之效能53
4-4-2 操作條件對有機物分子量分布之影響55
第五章 結論56
參考文獻57
附錄

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