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The environmental safety of soil has become severe in China with the boost of industrialization and urbanization. In this paper, on the basis of investigating the status of soil contaminated in China, the remediation technologies of soil contaminated by heavy metals, including physical remediation, chemical remediation and biological remediation were focused. The mechanisms of remediation, strengths and drawbacks, developing trend were reviewed in order to supply reference to the study in this field.
Yao et al. (Sun,) studied this question.
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