总结了目前较常用的土壤重金属污染修复技术有物理修复、化学修复和生物修复,了解到不同修复技术的适用性和局限性;详细阐述了零价铁修复技术的发展概况,以及零价铁用于修复土壤重金属污染的可行性和存在的问题,为今后土壤重金属污染修复指明了一个新的方向。
Some commonly used remediation methods of heavy metal-contaminated soils were summarized, such as physical remediation, chemical remediation and bioremediation.The applicability and limitations of different remediation methods were analyzed.The general situation of zero-valent iron remediation and the problems in zero-valent iron remediation were elaborated, which was the new direction for future development of metal -contaminated soil remediation.