Facing the problem of soil heavy metal pollution,it is urgent to take measures to repair the soil polluted by heavy metals and to resource it.Through literature research,this paper aims to clarify the current situation of heavy metal pollution in soil in China,and expounds the common remediation methods of heavy metal contaminated soil,including physical remediation,chemical remediation,biological remediation and joint remediation.On this basis,it is analyzed that the main directions of resource utilization of heavy metal contaminated soil at present are soil utilization,building materials treatment and subgrade filling.Finally,suggestions are made on the existing problems in current research and the future research direction are prospected.
heavy metal contaminated soilremediationresourcingcomprehensive utilization
NETL
NSTL
万方数据
