| 重金属污染土壤的电动力学修复试验研究 |
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| 引用本文： | 席永慧,梁穑稼,周光华.重金属污染土壤的电动力学修复试验研究[J].同济大学学报(自然科学版),2010,38(11):1626-1630. |
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| 作者姓名： | 席永慧 梁穑稼 周光华 |
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| 作者单位： | 同济大学,建筑工程系,上海,200092 |
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| 基金项目： | 上海市城乡建设和交通委员会资助项目 |
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| 摘 要： | 采用自制的实验装置研究重金属污染土壤的电动力学修复性能,通过间歇断电法和提高电压法提高单一重金属污染土壤的重金属去除率,取得了良好的效果,并且对多离子污染土壤的电动修复进行了研究.结果表明:间歇断电法和提高电压法与相同试验条件下的普通试验相比,Cd去除率分别提高了6.17%和0.56%,电能消耗分别节省了51.86%和12.4%.多离子污染土壤Cu,Pb,Cd的去除率分别为68.56%,75.31%,69.90%,相对于单一离子Cd的电动试验,修复效果降低不少.电能消耗为5.061 2kJ.g-1,比单一离子的电能消耗高出许多.
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| 关 键 词： | 重金属污染 电动力学修复 去除率 电能消耗 |
| 收稿时间： | 2009/7/21 0:00:00 |
| 修稿时间： | 9/19/2010 4:43:02 PM |
Electrokinetic Remediation Experimental Study of Heavy Metal Contaminated Soil |
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| XI Yonghui,LIANG Sejia and ZHOU Guanghua.Electrokinetic Remediation Experimental Study of Heavy Metal Contaminated Soil[J].Journal of Tongji University(Natural Science),2010,38(11):1626-1630. |
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| Authors: | XI Yonghui LIANG Sejia and ZHOU Guanghua |
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| Institution: | Department of Building Engineering,Tongji University,Shanghai 200092,China;Department of Building Engineering,Tongji University,Shanghai 200092,China;Department of Building Engineering,Tongji University,Shanghai 200092,China |
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| Abstract: | Electrokinetic remediation capability was researched by self-designed device.The interval power breaking method and voltage improving method were used to increase removal efficiency of single iron contaminated soil,and soil contaminated by three ions recovery through electrokinetic remediation was also done.The result shows that Cd removal efficiency of interval power breaking and voltage improving are respectively 6.17% and 0.56% higher than that of common experiment,and power consumption are 51.86% and 12... |
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| Keywords: | heavy metal contamination electrokinetic remediation removal efficiency power consumption |
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