Phytoremediation Mechanisms of Heavy Metal Contaminated Soils: A Review


Phytoremediation is a green emerging technology used to remove pollutants from environment components. Mechanisms used to remediate soils contaminated by heavy metal are: phytoextraction, phytostabilisation, phytovolatilization and rhizofiltration. The two first mechanisms are the most reliable. Many factors influence the choice of the suitable phytoremediation strategy for soil decontamination. It depends on soil properties, heavy metal levels and characteristics, plant species and climatic conditions. The present review discusses factors affecting heavy metals uptake by plant species, the different phytoremediation strategies of heavy metal contaminated soils and the advantages and disadvantages of phytoremediation and each of its mechanisms.

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Laghlimi, M. , Baghdad, B. , Hadi, H. and Bouabdli, A. (2015) Phytoremediation Mechanisms of Heavy Metal Contaminated Soils: A Review. Open Journal of Ecology, 5, 375-388. doi: 10.4236/oje.2015.58031.

Conflicts of Interest

The authors declare no conflicts of interest.


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