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AIMS Environmental Science, 2017, 4(2): 187-205. doi: 10.3934/environsci.2017.2.187
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Assessment of repeated harvests on mercury and arsenic phytoextraction in a multi-contaminated industrial soil
1 Institute of Ecosystem Studies, National Council of Research, Pisa, Italy
2 Eni S.p.A., Renewable Energy & Environmental Laboratories, S.Donato Milanese (MI), Italy
Received: , Accepted: , Published:
Special Issues: Environmental Chemistry and Toxicology of Mercury
Repeated treatments with thiosulfate increased the concentration of mercury and arsenic in the Brassica juncea aerial part, but due to toxic effects of mercury that reduce biomass production, the total accumulation of both metals in plants tended to decrease at each subsequent re-growth.
The use of a single additive to remove both contaminants simultaneously offers several new advantages to phytoextraction technology in terms of reducing cost and time.