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系統識別號 U0002-0108200515182200
中文論文名稱 利用電化學法從鐵污泥中再生亞鐵離子應用於FENTON程序處理染料廢水之研究
英文論文名稱 Dye wastewater treatment using fenton process with Fe(II) electrolytically regenerated from iron-containing sludge
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 93
學期 2
出版年 94
研究生中文姓名 邱亦政
研究生英文姓名 Yi-Cheng Chiu
學號 692330128
學位類別 碩士
語文別 中文
口試日期 2005-06-10
論文頁數 53頁
口試委員 指導教授-李奇旺
委員-陳孝行
委員-李伯青
中文關鍵字 Fenton程序  電解法  染料  COD去除率  鐵污泥 
英文關鍵字 Fenton process  Electrolysis  Dye  COD removal  Iron sludge 
學科別分類 學科別應用科學環境工程
中文摘要 Fenton程序擁有良好及迅速的去除能力,但其產生大量的污泥導致其很少被使用在實廠上。因此本研究將Fenton程序產生之污泥以電解法還原再生亞鐵離子,由實驗結果發現由鐵污泥再生之亞鐵離子,可成功成為Fenton程序所需之鐵源,而其電解還原亞鐵離子之最佳pH值為1。電解再生亞鐵離子之電流效率約為20∼30%左右。
本研究以染料廢水作為原水,而且當 Fe(II)相對於總流量的比值超過0.03時,COD去除率就可達到90%以上。出流水的導電度由0.87∼67.8 ms,隨著亞鐵離子的加藥量而增加。鐵污泥在經過多次的循環使用後,導致VSS/TSS大於30%,使得污泥脫水性不佳。
在研究中發現鐵污泥還原形成亞鐵離子可作為Fenton程序中之鐵源,並可以成功的處理人工染料廢水,以及減少污泥的產量。
英文摘要 Fenton process producing hydroxyl radical removes contaminants efficiently and rapidly. However, huge quantity of iron sludges produced by the process hinders application of this process in full scale treatment system. In this study, Fe (II) regenerated from iron sludge by electrolytic method was employed to reduce the sludge problem. At pH of 1.0, Fe (II) can be regenerated efficiently from iron sludge. The electrolytic current efficiency of Fe(II) regeneration was about 20~30%, depending on current density.
Synthetic dye wastewater was prepared and treated with Fenton process using regenerated Fe (II). More than 99% of COD removal can be achieved by the process. Effluent conductivities increased with increasing the dosage of regenerated Fe (II), ranging from 0.87 to 67.8. VSS/TSS ratio of sludges increases and dewaterability of iron sludge worsen gradually with the number of the sludge been used.
In this study, we found the sludge could be reuse and reduce to Fe(II) which was used as the iron source for the subsequent Fenton process. Synthetic dye wastewater was treated with Fenton process using recycled iron, and the amount of sludge generated was reduced substantially.
論文目次 目錄
中文摘要 I
英文摘要 II
誌謝 III
目錄 IV
圖目錄 VII
表目錄 VIII
第一章、前言 1
第二章、文獻回顧 4
2-1 FENTON法 4
2-1-1 Fenton法反應理論 4
2-1-2 Fenton反應影響因素 6
2-2 ELECTRO-FENTON法 9
2-2-1 Electro-Fenton法反應理論 9
2-2-2 Electro-Fenton法反應影響因素 11
2-2-3 影響亞鐵離子再生(Regeneration of Fe2+)之操作條件 12
2-3 污泥脫水特性 16
第三章、實驗設備與方法 18
3-1實驗試劑 18
3-1-1 人工原水 18
3-1-2 Fenton試劑 18
3-1-3 pH調整試劑 19
3-1-4 鐵污泥製備 19
3-2實驗設備 19
3-2-1 pH控制模組 21
3-2-2 液位計 22
3-3-3 電源供應器 22
3-3 實驗方法 22
3-4分析方法 28
3-4-1 過氧化氫之分析 28
3-4-2 亞鐵及總鐵之分析 28
3-4-3 COD、真色色度及導電度之分析 29
3-4-4 毛細汲取時間(CST) 30
3-4-5界達電位 ( Zata-potentials ) 31
3-4-6總懸浮固體(TSS)及揮發性懸浮固體(VSS) 32
第四章、結果與討論 33
4-1 PH值對於亞鐵再生的影響 33
4-2 處理效率及處理水質 36
4-2-1 COD及色度處理效率 36
4-2-2 出流水水質 38
4-3 亞鐵離子再生的影響因素 43
4-4 污泥的循環使用對於污泥脫水性之影響 47
第五章、結論及建議 51
參考文獻 52

圖目錄
圖 1、實驗設備圖 21
圖 2、毛細汲取時間(CST)試驗設備(曾,1992) 31
圖 3、不同pH值下污泥可溶出的鐵濃度 (取樣時間為pH值調整後1小時) 34
圖 4、不同pH值對於以電解法將鐵污泥還原成亞鐵離子的影響 35
圖 5、Fe(II) to total flow 相對於COD去除率之關係圖 37
圖 6、Fe2+流量/總流量之比相對於出流水導電度變化圖 39
圖 7、電解槽內之亞鐵離子濃度相對於COD濃度 42
圖 8、試驗次數相對於COD溶出的濃度 42
圖 9、(a) 亞鐵離子之濃度及(b) Fe (II) / Fetot 之百分比 (水樣為電解槽內取出)相對於電解時間之關係圖 45
圖 10、鐵濃度相對於電流效率關係圖 46
圖 11、Fe(II)/total Fe 相對於CST關係圖 48
圖 12、CST相對於TSS濃度關係圖 48
圖 13、VSS/TSS(%)相對於界達電位關係圖 49

表目錄
表 1 反應速率表 5
表 2溶解相化合物種與氫氧自由基之反應速率常數(Werner and David.,1992) 5
表3 人工原水進流濃度及其水質特性 18
表4實驗條件 27
表 5不同實驗條件下,經過處理之水質參數 41
表 6污泥脫水特性之參數 50



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