The steel industry generates a large amount of heavy metal pollutants during the production process of sintering,smelting,and rolling,which enter the soil through atmospheric sedimentation and waste residue infiltration.This article provides a systematic introduction to the soil pollution situation in the steel industry and soil remediation technologies for heavy metal contaminated sites.It compares the applicable scope,characteristics,advantages and disadvantages of various heavy metal contaminated soil remediation technologies,and introduces the technological research progress.
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