电动联合可渗透反应墙强化修复重金属污染土壤研究进展

Research Progress on Enhanced Remediation of Heavy Metal Contaminated Soil by Electrokinetic Combined Permeable Reaction Barrier Technology

已有大量研究证明电动(EK)-可渗透反应墙(PRB)联合技术能用于重金属污染土壤的修复,但其修复效率低且能耗高,还可能导致聚焦效应等问题,因此深入EK-PRB在强化修复方面的研究是十分必要的。简述了EK-PRB技术的原理,介绍了EK-PRB技术的主要影响因素,归纳了EK-PRB强化修复方法的优缺点和修复效果,介绍了EK-PRB技术的研究进展,并对该技术强化修复重金属进行了展望,指出深入探究的方向,以便为EK-PRB修复多种重金属污染土壤的实际应用打下基础。

A large number of studies have proved that the electrokinetic-permeable reactive barrier(EK-PRB) combined technology can be used for the remediation of heavy metal contaminated soil, but its remediation efficiency is low and energy consumption is high, and it may also lead to problems such as focusing effects.It is very necessary to research PRB in strengthening repair.The principle of EK-PRB technology was briefly described.The main influencing factors of EK-PRB technology were introduced.The advantages and disadvantages, and repair effects of EK-PRB enhanced repair method were summarized.The research progress of EK-PRB technology was introduced.Finally, the prospects of enhanced remediation of heavy metals by EK-PRB technology were made, and the direction of in-depth exploration was pointed out.It can lay a foundation for the practical application of EK-PRB technology in remediation of soils contaminated with various heavy metals in the future.