Phytoremediation strategies for heavy metal-contaminated soil by selecting native plants near mining areas in Inner Mongolia

The presence of heavy metals in water represents a risk to the life of all species on the planet. Phytoremediation is an effective alternative to remove heavy metals from contaminated aqueous environments. In the present research, Chenopodium album L. was examined for the remediation of waters contaminated with Cd, Pb, and Hg. Studies were carried out in waters containing each metal separately (monometallic aqueous systems) and in mixtures (trimetallic aqueous systems). First, the adaptation of Chenopodium album to different concentrations of Hoagland’s nutrient solution (HNS) was evaluated, then, a phytotoxicity study was carried out to determine the appropriate concentrations of each metal to test the tolerance of the plant during the accumulation study, and finally, the bioaccumulation capacity of Chenopodium album for Cd, Pb, and Hg was evaluated. Chenopodium album showed tolerance to levels of 5 mg/L Hg and 10 mg/L Cd and Pb in 25% HNS. The bioaccumulation tests showed that Chenopodium album can remediate Cd, Pb, and Hg contaminated waters in both monometallic and trimetallic aqueous systems. These findings suggest important future applications in the food industry for the production of Chenopodium album as we demonstrate that this species adapts and grows in hydroponic media. In particular, the ability of Chenopodium album to adapt to extreme conditions could be exploited for further studies on phytoremediation of heavy metals in river water, irrigation water, wastewater, effluents, and mine tailings.

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Phytoremediation strategies for heavy metal-contaminated soil by selecting native plants near mining areas in Inner Mongolia

Cited by 3 publications

References 87 publications

Thermochemical conversion characteristics and kinetics of Cu- and Mn-contaminated biomass using a continuous pyrolysis-combustion method

Thermochemical conversion characteristics and kinetics of Cu- and Mn-contaminated biomass using a continuous pyrolysis-combustion method

Posphoproteomics profiling reveals the regulatory role of a phosphorylated protein PvFBA1 in cadmium tolerance in seashore paspalum

Removal of Lead, Cadmium, and Mercury in Monometallic and Trimetallic Aqueous Systems Using Chenopodium album L.

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