Phytoremediation of contaminated soil with metals assisted with nanoparticles
DOI:
https://doi.org/10.59741/agraria.v23i2.758Keywords:
nanomaterials; contamination; adsorption; redox reactions; metal oxides.Abstract
Phytoremediation is a non-destructive, cost-effective, and environmentally friendly biotechnology that utilizes living plant species to remediate contaminated soil with heavy metals (HM) such as Pb, Cd, Cr, or Cu, which can be stabilized or accumulated in above-ground plant organs. However, HM are often not bioavailable in the soil solution and cannot be naturally recovered during phytoremediation process. Nevertheless, in recent decades, effective technologies based on nanoparticles lower than 100 nm (organic, inorganic, y carbon-based), combined with phytoremediation (nanophytoremediation) have emerged to make the soil remediation process more efficient by promoting greater plant growth, as well as increased solubilization, stabilization, or accumulation of the metal in plant organs. This review analyzed the effects of phytoremediation of contaminated soils with metallic ions, assisted with nanoparticles.
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