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Review of four phytoremediation techniques for soil polluted by heavy metals

  • LI Yubao ,
  • XIA Jinmeng ,
  • LUN Dongdong
  • College of Life and Environmental Sciences of Wenzhou University, Wenzhou 325000, China

Received date: 2017-05-15

  Revised date: 2017-05-25

  Online published: 2017-06-14


Heavy metals in soil stem from human activities which result in significantly high heavy metals contents in soil and lead to the phenomenon of ecological environment quality deterioration.Heavy metal contamination of soil is essentially an irreversible process.Many organic chemicals require a long time to degrade.Once contamination occurs it is difficult to recover by merely cutting off pollution sources.Therefore there have been a lot of soil treatment methods for heavy metals.Compared to physical and chemical remediation,phytoremediation has several advantages such as small investment,low cost,economical profit and less disturbance to the soil environment.This paper reviews four hytoremediation techniques for heavy metal contaminated soil remediation and describes both domestic and foreign heavy metal pollution control.Finally,the future development in this area is prospected.

Cite this article

LI Yubao , XIA Jinmeng , LUN Dongdong . Review of four phytoremediation techniques for soil polluted by heavy metals[J]. Science & Technology Review, 2017 , 35(11) : 47 -51 . DOI: 10.3981/j.issn.1000-7857.2017.11.006


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