利用界面活性劑増進電動力法復育受雙酚A污染土壤之研究

謝濃增

doi:10.6845/NCHU.2013.01152

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利用界面活性劑増進電動力法復育受雙酚A污染土壤之研究

Enhanced Remediation of Bisphenol A from Soil by Electrokinetic Approach with Both Electrolyte and Surfactant.

謝濃增 , Masters　　Advisor：廖文彬　　

繁體中文 DOI： 10.6845/NCHU.2013.01152

雙酚Ａ；聚氧乙烯(20)山梨醇單油酸酯；十二烷基硫酸鈉；電動力復育； Bisphenol A(BPA) ； Polyoxyethylene(20) sorbitan monooleate (Tween-80) ； Electrokinetic remediation ； Sodium dodecyl sulfate (SDS)

Abstract │ Reference (107) │ Times Cited (1) │ Altmetrics

Abstract 〈TOP〉

環境中有一些與生物體內激素作用類似之化學物質，可能會對人類健康及生態環境造成危害，這些物質統稱為環境荷爾蒙(Environmental Hormone)或內分泌干擾物(Endocrine Disrupting Chemicals，EDCs)。雙酚A(Bisphenol A，BPA)為近年來被人們所注意的環境荷爾蒙之一，在工業上常用於製造環氧樹脂(epoxy resins)、聚碳酸酯樹脂(polycarbonate)等產品。雙酚A會透過食物鏈等方式影響人類及動物的健康，其會干擾動物體內分泌激素調節機制，使人類或動物有失去性徵，喪失生殖能力及引發癌症等風險。電動力法整治技術(Electrokinetics，EK)為近年來蓬勃發展的技術之一，具有高效率以及可現場使用等優點，但是用於處理疏水性污染物時效果並不理想。故本研究將會結合界面活性劑，利用其對於疏水性有機污染物有著高溶解度等特性，來增強電動力法之效能。
    本研究主要分成兩部分，一開始主要探討以不同濃度的Tween-80 搭配電解質0.05M之MgCl2 作為操作液，討論在電動力實驗後對於土壤中雙酚A之移除效果，接著在上述實驗結束後，替換新的電解液並於部分組別添加不同濃度的SDS，進行額外一天的電動力試驗。實驗結果顯示，對照組實驗Test 1單純以電解質之0.05M MgCl2作為電解液，其移除率為57.48%；而實驗組別Test 2及Test 3在加入50 mg/L及100 mg/L之Tween-80於電解液進行實驗後，去除率分別達64.75%及63.88%。Test 4及Test 5為在Test 2結束後，替換電解液並進行額外一天實驗。Test 4替換的電解液，與對照組實驗相同為0.05M MgCl2溶液，其雙酚A的移除率為66.13%；Test 5替換的電解液為含有50 mg/L之SDS溶液，其雙酚A的移除率為65.5%。Test 6及Test 7為在Test 3實驗結束後，一樣進行電解液之替換並進行額外一天實驗。Test 6替換的電解液為0.05M MgCl2溶液，其雙酚A的移除率為64.68%；Test 7替換的電解液為含有100 mg/L之SDS溶液，其雙酚A的移除率達70.18%。
    在電動力實驗中添加Tween-80於電解液時，可增加污染物的溶解度及移動性，而添加SDS於電解液中則可提升系統整體的電流量，使電滲透流量增加，讓土壤孔隙中的雙酚A能有效的移出，提高移除效率。由此可知若要使雙酚A之移除效率提高，需要電解液對於污染物有良好的溶解度，搭配電動力系統機制兩者同時產生成效。

Parallel Abstract 〈TOP〉

There are some chemical substances similar to the biological hormones that may  pose a threat to the human health and the environment. These substances are collectively referred to as environmental hormones or endocrine disruptors chemicals (EDCs). Bisphenol A (BPA) has been concerned in recent years, commonly used in the manufacture of epoxy resin, polycarbonate and other products in the industry. BPA may interfere the regulation mechanism of animal hormone, possibly losing sexuality and fertility of the human or animal, and raising the risk of cancer. BPA will potentially affect the health of human and animal through kinds of paths like the food chain. 
Electrokinetic remediation (EK) is one of the booming technique in recent years, because it has a high efficiency and belongs to on-site treatment. For hydrophobic organic compounds is of the low solubility in water, therefore, the conventional electrokinetic approach is not effective. The surfactant has the characteristics of high solubility of hydrophobic organic compounds which might enhance the removal of hydrophobic pollutants from soil. This study combines the advantages of electrokinetic electrolyte and surfactant to remove contaminants of BPA from soil.
    The experiment is divided into two parts, in the beginning, the tests focus on the different concentrations of Tween-80 with 0.05M MgCl2 as the operating liquid and then discuss the removal rate of BPA from soil after the experiment. After the previous experiment, the operating liquid was replaced for new tests and some tests were conducted with different concentrations of SDS. Test 1 only used 0.05M MgCl2 electrolyte as operating liquid, and the removal rate was 57.48% ; Test 2 and Test 3 added 50 mg / L and 100 mg / L of Tween-80 into the operating liquid with experiments, the removal rate was up to 64.75% and 63.88%. Test 4 replaced the operating liquid for the 0.05M MgCl2 after the experiment of Test 2 finished, then conducted the experiment for one more day. The removal rate of BPA in Test 4 was 66.13%. The operating liquid of Test 5 was replaced for the electrolytic solution containing 50 mg / L of SDS, and the removal of bisphenol A was 65.5%. Test 6 was replaced the operating liquid for the 0.05M MgCl2 after the experiment of Test 3 finished, then continued the have a experiment for one more day. The removal rate of BPA in Test 6 was 64.68%. The operating liquid of Test 7 was replaced for the electrolytic solution containing 100 mg / L of SDS, and the removal rate of bisphenol A was 70.18%.
    During the experiment, adding Tween-80 into the electrolyte can increase the solubility and mobility of pollutant, adding SDS into the electrolyte can enhance the electric current, therefore, the electro-osmotic flow will increase and upgrade the removal rate of BPA in soil. According to the results, in order to promote the removal rate of BPA, increasing both the mobility of pollutant and the current in soil are necessary.

Reference ( 107 ) 〈TOP〉

3. 行政院勞工委員會勞工安全衛生研究所(2011)。勞工安全衛生研究報告-聚碳酸酯製造業勞工雙酚A暴露調查研究。
連結：
4. 李承佑(2004)。以 Tween-80 為碳源生產 Acinetobacter radioresistens 脂肪酵素。國立成功大學化學工程學系，博士論文。
連結：
5. 李貽華、徐慈鴻(2004)。多環芳香族碳氫化合物 (PAHs) 與植物。藥毒所專題報導，第75期，第1-12頁。
連結：
15. 陳秀芬(2006)。含界面活性劑水溶液中有機污染物揮發特性之探討。國立中央大學環境工程研究所，碩士論文。
連結：
17. 翁誌煌(1998)。受有機物污染廠址之物化整治技術研究：電滲透法整治有機污染廠址之研究(第二年)。行政院國科會專題研究計畫成果報告。
連結：

Times Cited (1) 〈TOP〉

賴柏誌(2014)。以界面活性劑増效電動力技術復育受雙酚 A 污染土壤之探討。中興大學環境工程學系所學位論文。2014。1-111。

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