Fenton程序兼具氫氧自由基(OH‧)氧化及鐵鹽混凝雙重功能去除有機物，本研究探討Fenton相關程序去除色度與DOC之效率與去除機制，Fenton相關程序包含混凝、Fenton及Fenton-like程序。以反應性偶氮染料Evercion Red H-E3B與聚乙烯醇(Poly(vinyl alcohol), PVA)配製染料濃度20~100 mg/L、PVA 50 mg/L之人工染整廢水，以pH、鐵鹽種類與加藥量及H2O2加藥量為操作變數，所有實驗皆採取瓶杯試驗。
　　研究結果顯示Fenton程序之最佳操作pH範圍為2.5~4，色度及DOC去除率可達95 %及78 %以上。Fenton及Fenton-like程序於低鐵鹽加藥量(5 mg/L)，色度去除率可達90 %以上，但DOC去除率低於13 %，脫色所需之鐵鹽加藥量低於混凝程序，Fenton相關程序單位鐵鹽加藥量去除色度約為混凝之6至7倍 ，Fenton程序氧化與混凝去除之色度分別為88.9 %與2.7 %，脫色以氧化機制為主。高鐵鹽加藥量(50 mg/L)時，可同時去除DOC與色度分別達75%與95%以上，DOC去除效果則以Fenton-like最佳(Fenton-like＞混凝≒Fenton)。Fenton氧化與混凝機制去除之DOC為7.9 %與72.9 %，Fenton-like程序則為3 %與74.2 %。增加鐵鹽加藥量可提升去除DOC之成效，混凝機制去除之色度隨鐵鹽加藥量增加而趨顯著。此外，增加H2O2加藥量雖可增加氫氧自由基生成，但仍無法提供礦化去除DOC，增加H2O2加藥量提高無法顯著提高DOC去除率。依本研究結果，建議廢水脫色採用以氫氧自由基氧化為主之Fenton、Fenton-like程序；，同時脫色去除DOC則採用鐵鹽混凝程序。

The purposes of this study are to investigate the removals of color and dissolved organic carbon (DOC) by ferric coagulation, the Fenton and Fenton-like processes, to compare the removal mechanisms of color and DOC among three processes. The synthetic colored wastewater samples were prepared from 20~50 mg/L of a red reactive azo dyestuff (Red H-E3B) and 50 mg/L of polyvinyl alcohol (PVA).The experimental variables studied include dosages of iron salts (ferrous and ferric) and hydrogen peroxide (H2O2), pH. All experiments were conducted by the Jar test.
The result shows that more than 95 % and 78 % of color and DOC can be removes by Fenton and Fenton-like processes when pH is between 2.5 to 4. In low iron dosages (5 mg/L), by both Fenton and Fenton-like processes, the color removals was higher than 90 %, but the removal of DOC was lower than 13 %. The iron dosages used for decolorization by Fenton and Fenton-like processes are lower than ferric coagulation. The ratio of color removal efficiency, expressed by color removed per iron dosage, between Fenton related processes and ferric coagulation was 6~7. The ratio of color removal by OH． Oxidation and ferric coagulation was 32.9 : 1 and 1.37 : 1 by Fenton and Fenton-like processes, respectively.
In high iron dosages (50 mg/L), Fenton-like process has the best efficiency of DOC removal between ferric coagulation and Fenton related processes. The ratio of DOC removal by OH． Oxidation and ferric coagulation was 1 :9.2 and 1 : 9.39 by Fenton and Fenton-like processes, respectively. Increase H2O2 dosages can increase the ratio of color removal by ferric coagulation by Fenton process. In Fenton-like process, the ratio of color removal increase when H2O2 dosages increase. For the removal of DOC, increase H2O2 dosage won’t improve the efficiency of DOC.
It was also found that the non-color background organic compound PVA can complete with the red dye H-E3B for OH．, leading to the reduced color removal as the PVA content increases. Therefore, it demonstrated that the removal of color is the OH． Oxidation and the removal of DOC is ferric coagulation by Fenton related processes. It is concluded that both the Fenton and Fenton-like processes were better used for color removal but DOC removal.

圖目錄	III
表目錄	IV
第一章　前言	1
1-1 研究緣起	1
1-2 研究目的	2
第二章　文獻回顧	3
2-1 染整廢水特性及處理技術	3
2-1-1染整廢水特性	3
2-1-2 染整廢水處理技術	6
2-2 化學混凝理論及處理染整廢水	7
2-2-1 化學混凝理論	7
2-2-2 化學混凝法處理染整廢水	10
2-3 Fenton程序處理染整廢水	12
2-3-1  Fenton程序理論	12
2-3-2  Fenton程序影響因素	14
2-3-3  Fenton程序處理染整廢水	16
第三章 實驗材料與方法	18
3-1  實驗材料	18
3-1-1 人工染整廢水	18
3-1-2 實驗藥品	21
3-1-3 實驗設備	22
3-2  實驗方法	23
3-2-1  化學混凝與Fenton程序瓶杯試驗	23
3-2-2  水質分析	24
第四章　結果與討論	25
4-1 鐵鹽混凝去除色度與DOC	25
4-1-1 鐵鹽加藥量對化學混凝去除色度之影響	25
4-1-2鐵鹽加藥量對化學混凝去除DOC之影響	25
4-2 Fenton程序去除色度與DOC	28
4-2-1 pH對Fenton程序去除色度與DOC之影響	28
4-2-2 鐵鹽加藥量對Fenton程序去除色度與DOC之影響	30
4-2-3 H2O2加藥量對Fenton程序去除色度與DOC之影響	32
4-2-4 Fenton程序去除色度與DOC之機制	34
4-3 Fenton-like程序去除色度與DOC	38
4-3-1鐵鹽加藥量對Fenton-like程序去除色度與DOC之影響	38
4-3-2 H2O2加藥量對Fenton-like程序去除色度與DOC之影響	40
4-3-3 Fenton-like程序去除色度與DOC之機制	43
4-4 各程序去除色度與DOC效能之比較	47
4-4-1 各程序單位鐵鹽加藥量去除色度與DOC效能之比較	47
4-4-2 有機物背景濃度對各程序去除色度影響之比較	51
第五章　結論	52
參考文獻	53

圖3- 1 Evercion Red H-E3B之UV-VIS光譜圖	19
圖4- 1鐵鹽加藥量對化學混凝去除色度與DOC之影響	26
圖4- 2鐵鹽加藥量對化學混凝去除色度之影響	27
圖4- 3鐵鹽加藥量對化學混凝去除DOC之影響	27
圖4- 4 pH對Fenton程序去除色度與DOC之影響	29
圖4- 5鐵鹽加藥量對Fenton程序去除色度與DOC之影響	31
圖4- 6鐵鹽加藥量對Fenton程序去除色度與DOC之影響	31
圖4- 7 H2O2加藥量對Fenton程序去除色度與DOC之影響	33
圖4- 8 H2O2加藥量對Fenton程序去除色度與DOC之影響	33
圖4- 9不同鐵鹽加藥量對Fenton程序色度溶出之影響	36
圖4- 10不同鐵鹽加藥量對Fenton程序DOC溶出之影響	36
圖4- 11不同H2O2加藥量對Fenton程序色度溶出之影響	37
圖4- 12不同H2O2加藥量對Fenton程序DOC溶出之影響	37
圖4- 13鐵鹽加藥量對Fenton-like程序去除色度與DOC之影響	39
圖4- 14鐵鹽加藥量對Fenton-like程序去除色度與DOC之影響	39
圖4- 15 H2O2加藥量對Fenton-like程序去除色度與DOC之影響	42
圖4- 16 H2O2加藥量對Fenton-like程序去除色度與DOC之影響	42
圖4- 17 Fenton-like程序於不同鐵鹽加藥量時色度之殘留率變化	45
圖4- 18 Fenton-like程序於不同鐵鹽加藥量時DOC之殘留率變化	45
圖4- 19 Fenton-like程序於不同H2O2加藥量時色度之殘留率變化	46
圖4- 20 Fenton-like程序於不同H2O2加藥量時DOC之殘留率變化	46
圖4- 21各程序之色度殘留率	49
圖4- 22各程序之DOC殘留率	49
圖4- 23有機物背景濃度對各程序去除色度之影響	51

表2- 1典型紡織染整廢水特性	4
表2- 2我國目前印染整理業規範之放流水標準	5
表2- 3常用之混凝劑	9
表3- 1人工染整廢水之色度與DOC資料表	18
表3- 2紅色反應性偶氮染料Evercion Red H-E3B基本資料	19
表3- 3水溶性高分子化合物聚乙烯醇基本資料	20
表4- 1混凝、Fenton及Fenton-like程序於低鐵鹽加藥量時，去除色度及DOC之比較。(Fe2+ / Fe3+ =5 mg/L)	50
表4- 2混凝、Fenton及Fenton-like程序於高鐵鹽加藥量時，去除色度及DOC之比較。(Fe2+ / Fe3+ =50 mg/L)	50

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