An Assessment of the Feasibility of Phytoextraction for the Stripping of Bioavailable Metals from Contaminated Soils

dc.contributor.authorSanta‐Cruz, Javier
dc.contributor.authorRobinson, Brett
dc.contributor.authorKrutyakov, Yurii A.
dc.contributor.authorShapoval, Olga A.
dc.contributor.authorPeñaloza, Patricia
dc.contributor.authorYáñez, Carolina
dc.contributor.authorNeaman, Alexander
dc.date.accessioned2023-10-16T14:09:31Z
dc.date.available2023-10-16T14:09:31Z
dc.date.issued2022-12-29
dc.description.abstractPhytoextraction has been proposed in many papers as a low-cost method for remediating contaminated soil. However, if national regulation is based on total metal(loid) concentrations in soil, phytoextraction is generally infeasible because of the long time required for remediation. Assessing phytoextraction requires determination of the dynamic rate of metal removal from soil. Phytoextraction may be feasible if the main goal is to reduce the soluble fraction of the metal(loid) with the goal of reducing bioavailability. However, it has been reported that there is a large mass balance mismatch between the reduction of the soluble metal fraction in contaminated soil and metal uptake by plants. Several studies report that the decrease of soluble fraction of metals in soil is higher than can be accounted for by plant uptake. In other words, studies generally overestimate the feasibility of bioavailable contaminant stripping. Therefore, a more rigorous approach is advisable to ensure that papers on bioavailable contaminant stripping include relevant information on mass balances. Furthermore, to implement the concept of bioavailable contaminant stripping, regulations must distinguish between the bioavailable fraction and the total metal concentration in soil.
dc.identifier.issn1552-8618
dc.identifier.issn10.1002/etc.5554
dc.identifier.urihttps://hdl.handle.net/20.500.12536/2105
dc.language.isoen
dc.sourceEnvironmental Toxicology and Chemistry
dc.subjectPhytoextraction
dc.subjectMetal
dc.subjectMetalloid
dc.subjectRemediation
dc.subjectPhytoremediation
dc.subjectBioavailable contaminant stripping
dc.titleAn Assessment of the Feasibility of Phytoextraction for the Stripping of Bioavailable Metals from Contaminated Soils
dc.typeArtículo de revista
uvm.escuelaEscuela de Ciencias Agrícolas y Veterinarias
uvm.indexWoS
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