Heavy metal contamination of soil has become a global environmental issue,seriously threatening human health and ecological security.This paper reviews the principles,methods and applicable conditions of major restoration technologies,including physical,chemical,and biological remediation,and focuses on their advantages,disadvantages and practical application effects.Through the feasibility analysis and comparison of different technologies,considering factors such as cost,efficiency,and environmental impact,strategic suggestions for local conditions and combined remediation are proposed.This research is of great significance for guiding the practice of heavy metal contaminated soil management and developing optimized new remediation technologies,providing a scientific basis for regional environmental management decision-making.
关键词
重金属污染土壤/修复技术/可行性研究/联合修复
Key words
heavy metal contaminated soil/remediation technology/feasibility study/combined remediation
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