Advances in Remediation Technology of Heavy Metal-contaminated Soil

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.