重金属污染土壤的强化电动修复技术研究进展

Research on the enhanced electrokinetic remediation of soil polluted by heavy metal

在土壤重金属污染日益严重的背景下,寻找一种简单高效的土壤修复技术刻不容缓。电动修复技术由于操作简单、处理污染物多样、修复快速、成本低廉等优点,成为重金属污染土壤修复领域的研究热点。简述了中国土壤重金属污染的现状,电动修复的原理及其影响因素,综述了近年来国内外有关强化电动修复重金属污染土壤的研究进展及国内外应用实例,分析了电动修复技术中存在的问题,最后指明了强化电动修复技术未来的研究方向。

In the context of soil heavy metal contamination became more serious,it is urgent to find a simple and efficient soil remediation technology.Electrokinetic remediation with easy operation,efficient to multiple pollutants,less time consumption and less cost has become a research hotspot in this field.This paper illustrated the status quo of heavy metal pollution in soil,the principle of electrokinetic remediation and its influencing factors.Also,it summarized the progress and application examples of domestic and foreign researches on the enhanced electrokinetic remediation of heavy metal-contaminated soil.Finally,this paper analyzed the problems in electrokinetic remediation technology,and further pointed out the future direction for the research of enhanced electrokinetic remediation technology.