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系統識別號 U0002-2807201014482300
中文論文名稱 Photo-Fenton相關程序處理人工染整廢水之比較
英文論文名稱 Comparisons of the treatment of synthetic textile wastewater between Photo-Fenton related Processes
校院名稱 淡江大學
系所名稱(中) 水資源及環境工程學系碩士班
系所名稱(英) Department of Water Resources and Environmental Engineering
學年度 98
學期 2
出版年 99
研究生中文姓名 林薇薇
研究生英文姓名 Wei-Wei Lin
學號 697480845
學位類別 碩士
語文別 中文
口試日期 2010-06-29
論文頁數 60頁
口試委員 指導教授-康世芳
委員-顏幸苑
委員-李柏青
中文關鍵字 Photo-Fenton  礦化  脫色  染料  混凝 
英文關鍵字 Photo-Fenton  H2O2/UV  advanced oxidation process(AOPs)  mineralization 
學科別分類 學科別應用科學環境工程
中文摘要 Photo-Fenton程序兼具OH‧氧化及鐵鹽混凝雙重功能去除有機物,本研究評估Photo-Fenton相關程序氧化與混凝去除有機物之比較,Photo-Fenton相關程序包含Photo-Fenton-like、H2O2/UV、Fenton。以反應性偶氮染料Evercion Red H-E3B與聚乙烯醇(Poly(vinyl alcohol), PVA)分別模擬染整廢水中色度與DOC,人工染整廢水色度與DOC濃度分別為1300 單位與31 mg/L。以pH、氧化時間、鐵鹽種類與加藥量及H2O2加藥量為操作變數,分析H2O2、色度及DOC殘留,以比較Photo-Fenton相關程序去除DOC效率、反應動力學及機制。所有實驗採批次式H2O2/UV光反應槽。
研究結果顯示Photo-Fenton程序去除DOC與色度最佳pH為3,於氧化時間5分鐘時色度與DOC去除率分別為98%與45%。當氧化時間120分鐘時,Photo-Fenton及H2O2/UV程序之DOC去除率皆可達90 %以上,但Fenton程序僅有50%,DOC去除效率依序為Photo-Fenton = H2O2/UV > Fenton程序。去除DOC為擬一階反應動力學,Photo-Fenton程序反應動力常數為H2O2/UV程序之3.2倍,顯示H2O2/UV程序添加Fe2+加藥量,可提高反應速率縮短反應時間,但無法提高DOC去除率。Fenton程序去除DOC機制主要為混凝去除;Photo-Fenton程序於反應初期(5分鐘),DOC去除率為49.7%,混凝與氧化去除DOC分別為41.6%與8.1%,故主要以混凝機制去除DOC。相對地,於反應後期(30分鐘) DOC去除率為81.4%,混凝與氧化去除DOC分別為26.3%與55.1%,主要以氧化機制去除DOC。此乃因於反應後期,H2O2/UV可持續催化產生OH‧氧化有機物及膠羽,此外,Photo-Fenton-like程序去除DOC機制與相似。
英文摘要 The Photo-Fenton process is one of the advanced oxidation processes (AOPs) which eliminates organic matter by both hydroxyl radical (OH‧) oxidation and iron salts coagulation. The research evaluates the extent of oxidation and coagulation in Photo-Fenton-related processes. The Photo-Fenton-related processes include Photo-Fenton-like, H2O2/UV and Fenton processes. A reactive azo dyestuff (Evecion Red H-E3B) and polyvinyl alcohol (PVA) were used to simulate color and dissolved organic carbon (DOC) in the industrial textile wastewater, which contains color of 1300 ADMI unit and DOC of 31 mg/L. The experimental variables include pH, oxidation time, dosages of iron salt (ferric or ferrous) and hydrogen peroxide (H2O2). The content of H2O2, color unit and residual of DOC were measured for comparing the efficiency of DOC removal and reaction kinetics. All the experiments were batch conducted in H2O2/UV reactor.
The results show that the optimal pH to remove DOC and color is 3 within 5 minutes of oxidation time and the color and DOC removal efficiency is 98% and 45% respectively. The DOC removal efficiency could go more than 90% in both Photo-Fenton and H2O2/UV processes while only of 50% in Fenton process. The efficiency of DOC removal was in the order of Photo-Fenton = H2O2/UV > Fenton. The pseudo-first-order reaction kinetics were fitted in DOC removal and found the rate constant in Photo-Fenton process is 3.2 times higher than H2O2/UV processes which indicated that dosing more Fe2+ in the process could only promote the reaction rate not DOC removal efficiency instead. The major mechanism to remove DOC is coagulation in Fenton process. In Photo-Fenton process, the major mechanism to remove DOC is coagulation at the first 5 minutes of the experiment with 49.7% COD removal efficiency, within which 41.6% was contributed by coagulation and the other 8.1% was by oxidation. Contrarily, in Photo-Fenton process, the major mechanism to remove DOC is oxidation at 30 minutes of the experiment with 81.4% COD removal efficiency, within which 26.3% was contributed by coagulation and the other 55.1% was by oxidation. This is due to the OH‧ was constantly generated at the final stage in the H2O2/UV process for oxidizing organic matter and floc. Meanwhile, the DOC removal mechanism by Photo-Fenton-like process was alike to Photo-Fenton process.
論文目次 目錄 I
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 3
2-1-1 染整廢水特性 3
2-1-2 染整廢水處理技術 3
2-2 H2O2/UV程序原理及去除有機物之影響因子 5
2-2-1 H2O2/UV 程序原理 5
2-2-2 H2O2/UV程序影響因子 6
2-3 Fenton程序原理及去除有機物之影響因子 9
2-3-1 Fenton 程序原理 9
2-3-2 Fenton程序影響因子 9
2-4 Photo-Fenton程序原理及去除有機物之影響因子 12
2-4-1 Photo-Fenton 程序原理 12
2-4-2 Photo-Fenton程序影響因子 13
第三章 實驗材料與方法 15
3-1 實驗材料 15
3-1-1 人工染整廢水 15
3-1-2 實驗設備 18
3-1-3 實驗藥品 20
3-2 實驗方法 21
3-2-1 Photo-Fenton相關程序實驗方法 21
3-2-2 DOC溶出 22
3-3 水質分析 23
3-3-1 色度分析方法 23
3-3-2 DOC分析方法 23
3-3-3 H2O2殘留分析方法 23
第四章 結果與討論 25
4-1 pH對Photo-Fenton程序脫色與DOC去除之影響 25
4-1-1 pH對H2O2分解之影響 25
4-1-2 pH對脫色與DOC去除之影響 27
4-2 Photo-Fenton相關程序脫色與DOC去除之比較 30
4-2-1 Photo-Fenton相關程序H2O2分解之比較 30
4-2-2 Photo-Fenton相關程序脫色與DOC去除之比較 32
4-2-3 Photo-Fenton相關程序DOC去除機制之探討 36
4-3 鐵鹽加藥量對Photo-Fenton程序脫色與DOC去除之影響 38
4-3-1 鐵鹽加藥量對H2O2分解之影響 38
4-3-2 鐵鹽加藥量對脫色與DOC去除之影響 40
4-3-3 鐵鹽種類對H2O2分解、脫色及DOC去除之影響 43
4-4 H2O2加藥量對Photo-Fenton程序脫色與DOC去除之影響 46
4-4-1 H2O2加藥量對分解H2O2之影響 46
4-4-2 H2O2加藥量對脫色與DOC去除之影響 48
4-5 Photo-Fenton程序初期去除DOC之機制 51
4-5-1 Photo-Fenton程序去除DOC之機制 51
4-5-2 Photo-Fenton-like去除DOC之機制 54
第五章 結論 56
參考文獻 57

圖3- 1 Evercion Red H-E3B染料之UV-VIS光譜 (Dye=20 mg/L) 16
圖3 1 UV反應槽設備 19
圖3- 3 H2O2標準檢量線 24
圖4- 1 pH對Photo-Fenton程序分解H2O2之影響 26
圖4- 2 pH對Photo-Fenton程序分解H2O2反應動力學 26
圖4- 3 pH對Photo-Fenton程序脫色、DOC去除之影響 28
圖4- 4 pH對Photo-Fenton程序DOC殘留率擬一階動力比較 29
圖4- 5 H2O2/UV、Fenton及Photo-Fenton程序之 H2O2殘留之比較 31
圖4- 6 H2O2/UV及Photo-Fenton之 H2O2殘留反應動力比較 31
圖4- 7 H2O2/UV、Fenton、Photo-Fenton 脫色之比較 33
圖4- 8 H2O2/UV、Fenton、Photo-Fenton去除DOC比較 34
圖4- 9 H2O2/UV、Fenton、Photo-Fenton殘留DOC擬一階反應動力比較 34
圖4- 10 Fenton及Photo-Fenton程序溶出前後之DOC殘留 37
圖4- 11鐵鹽加藥量對Photo-Fenton程序分解H2O2之影響 39
圖4- 12鐵鹽加藥量對Photo-Fenton程序分解H2O2之反應動力學 39
圖4- 13鐵鹽加藥量對Photo-Fenton程序脫色之影響 41
圖4- 14鐵鹽加藥量對Photo-Fenton程序DOC去除之影響 41
圖4- 15鐵鹽加藥量對Photo-Fenton程序DOC殘留擬一階反應動力比較 42
圖4- 16 Photo-Fenton及Photo-Fenton-like程序之H2O2分解比較 44
圖4- 17 Photo-Fenton及Photo-Fenton-like程序之脫色及DOC去除之比較 44
圖4- 18 Photo-Fenton及Photo-Fenton-like程序之H2O2、DOC殘留反應動力 45
圖4- 19 H2O2加藥量對Photo-Fenton程序分解H2O2之影響 47
圖4- 20 H2O2加藥量對Photo-Fenton程序H2O2殘留反應動力比較 47
圖4- 21 H2O2加藥量對Photo-Fenton程序脫色之影響 49
圖4- 22 H2O2加藥量對Photo-Fenton程序DOC去除之影響 49
圖4- 23 H2O2加藥量對Photo-Fenton程序DOC殘留反應動力比較 50
圖4- 24不同鐵鹽加藥量於Photo-Fenton程序溶出前後之DOC殘留率 53
圖4- 25不同鐵鹽加藥量於Photo-Fenton程序溶出前後之DOC殘留率 53
圖4- 26不同Fe3+加藥量於Photo-Fenton-like程序之溶出前後DOC殘留率 55

表2- 1典型染整廢水水質特性 3
表2- 2我國目前印染整業規範之放流水標準 4
表3- 1 反應性偶氮染料Evercion Red H-E3B 基本資料 16
表3- 2 聚乙烯醇(PVA)基本資料 17
表3- 3 實驗條件表 22
表4- 1 不同pH分解H2O2及DOC殘留之反應動力常數……………………….29
表4- 2 Photo-Fenton相關程序H2O2及DOC殘留之反應動力常數……………..35
表4- 3 Fe2+加藥量對Photo-Fenton程序H2O2及DOC殘留反應動力常數……..42
表4- 4 Photo-Fenton及Photo-Fenton-like程序H2O2、DOC殘留反應動力常數. 45
表4- 5 H2O2加藥量對Photo-Fenton程序H2O2及DOC殘留反應動力常數……50

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