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研究生:陳世豪
研究生(外文):Shih-Hao Chen
論文名稱:複合鐵A在土壤管柱中催化Fenton-like反應去除NAPL相甲苯能力之評估
論文名稱(外文):Evaluation of Fe (III) complex A catalytic ability for Fenton-like reaction to remove toluene NAPL in soil columns.
指導教授:葉桂君葉桂君引用關係
指導教授(外文):Kuei-Jyum Yeh
學位類別:碩士
校院名稱:國立屏東科技大學
系所名稱:環境工程與科學系所
學門:工程學門
學類:環境工程學類
論文種類:學術論文
論文出版年:2010
畢業學年度:98
語文別:中文
論文頁數:61
中文關鍵詞:Non Aqueous Phase Liquids (NAPLs)複合鐵甲苯Fenton-like土壤管柱
外文關鍵詞:Non Aqueous Phase Liquids (NAPLs)Fe (III) complextolueneFenton-like reactionsoil column
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石化業與加油站之油品與BTEX儲槽大量洩漏時,往往會在地下形成 Non Aqueous Phase Liquids (非水相液體,簡稱 NAPLs)。NAPL 為土壤與地下水層中蒸氣態、吸附態、溶解態污染物之來源,因此若能發展NAPL之現地處理技術,則可提高地下水復育之成果,縮短整治時程。Fenton-like 法為現地化學氧化法之一,最近幾年新型的複合鐵溶液逐漸被運用在 Fenton-like 氧化法上。鐵複合物溶液為新型 Fenton-like 反應催化劑,主要是由有機酸或是螯合劑與鐵離子共同組成。有機酸與Fe離子複合,可以保持鐵離子存在的時間,進而維持 Fenton-like 反應的效率。
本研究以實驗室先前研究成果為基礎,評估複合鐵A 於土壤管柱中催化 Fenton-like 反應氧化 NAPL 相甲苯之能力。NAPL 相甲苯批次氧化實驗中,複合鐵A 催化之 Fenton-like反應在污染物濃度愈高之區域越有效,而且以低 H2O2 劑量且多次添加方式不論是在產氣量之控制與污染物去除率都比單次添加高濃度 H2O2 來的合適。在 NAPL 相甲苯之土壤管柱模擬實驗中 Fenton-like 氧化為主要之去除機制,而有機酸A 會使土壤管柱中 NAPL 相甲苯移動力增加。

When oils or BTEX from the petrochemical factory or the gas station, wwre seriously released to the subsurface, non aqueous phase liquids (NAPLs) often exist in underground. NAPLs are the origin of the vapor, sorbed and dissolved phases of pollutants in the soil and aquifer. The in situ technology to treat the NAPLs, may enhance remediation efficiency and reduce the treatment periods. Fenton-like process is one of the in situ chemical oxidations. The Fe (III) complex were developed recently as new catalysts for the Fenton-like oxidation process. Organic acids or chelates were complexed with iron ion and kept the iron ion stable in the solution and therefore maintain the oxidation efficiency.
This study evaluated the Fenton-like reaction of toluene NAPL, catalyzed by an Fe (III) complex (named complex A) in batch reactors and soil columns, using the optimum Fenton-like reaction conditions found previously. The results in toluene NAPL oxidation batch experiments found that complex A catalytic ability for Fenton-like reaction is more effective at higher pollutant concentrations. Multipie doses of low H2O2 concentrations resulred in less clogging and more toluene removal than a single doses of high H2O2. The Fenton-like reaction catalyzed by the studied Fe (III) complex A can successfully catalyze H2O2 and oxidize toluene NAPL in the soil column. More toluene was eluted out from the soil columns by Fe (III) complex A, showing that flushing was one of the removal mechanisms.

目錄
摘要……………………………………………………………………Ⅰ
Abstract……………………………………………………………… Ⅱ
謝誌……………………………………………………………………Ⅳ
目錄……………………………………………………………………Ⅴ
表目錄…………………………………………………………………Ⅶ
圖目錄…………………………………………………………………Ⅷ
第1章 前言……………………………………………………………1
1.1 研究緣起…………………………………………………1
1.2 研究目的…………………………………………………2
第2章 文獻回顧………………………………………………………3
2.1 地下水污染問題…………………………………………3
2.2 土壤及地下水污染防治…………………………………6
2.3土壤地下水主要污染物…………………………………9
2.4 BTEX 之危害特性及健康風險評估……………………11
2.5 土壤及地下水污染整治技術…………………………14
2.6 現地化學氧化法………………………………………16
2.7 Fenton化學氧化法……………………………………18
2.8 鐵氧礦物催化之Fenton-like化學氧化法…………20
2.9 複合鐵催化之Fenton-like氧化法………………22
2.10 複合鐵A在土壤管柱之傳輸與催化反應…………24
第3章 材料與方法…………………………………………………28
3.1實驗材料…………………………………………………28
3.2實驗方法…………………………………………………30
第4章 結果與討論……………………………………………………35
4.1 NAPL相甲苯批次氧化驗………………………………35
4.2 土壤管柱中氧化NAPL相甲苯實驗……………………37
第5章 結論與建議…………………………………………………53
5.1 結論………………………………………………………53
5.2 建議………………………………………………………54
參考文獻………………………………………………………………55
作者簡介………………………………………………………………61

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