Phytoremediation Mechanisms of Heavy Metal Contaminated Soils: A Review | Zendy

Meriem Laghlimi | Zendy; Bouamar Baghdad | Zendy; Hassan El Hadi | Zendy; Abdelhak Bouabdli | Zendy

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Phytoremediation Mechanisms of Heavy Metal Contaminated Soils: A Review

Author(s) -

Meriem Laghlimi,

Bouamar Baghdad,

Hassan El Hadi,

Abdelhak Bouabdli

Publication year - 2015

Publication title -

open journal of ecology

Language(s) - English

Resource type - Journals

eISSN - 2162-1985

pISSN - 2162-1993

DOI - 10.4236/oje.2015.58031

Subject(s) - phytoremediation , environmental science , phytoextraction process , human decontamination , soil water , heavy metals , environmental remediation , pollutant , soil contamination , contamination , hyperaccumulator , environmental chemistry , waste management , ecology , soil science , chemistry , biology , engineering

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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