Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/2580
Title: EDDS and EDTA-enhanced phytoextraction of metals from artificially contaminated soil and residual effects of chelant compounds
Authors: Luo, C
Shen, Z
Lou, L
Li, X 
Keywords: Phytoextraction
EDTA
EDDS
Chrysanthemum coronarium L.
Zea mays L.
Residual effects
Issue Date: Dec-2006
Publisher: Elsevier
Source: Environmental pollution, Dec. 2006, v. 144, no. 3, p. 862-871 How to cite?
Journal: Environmental pollution 
Abstract: The potential of 18 different plants to be used in the chemically enhanced phytoextraction of Cu, Pb, Zn and Cd was assessed using pot experiments. Chrysanthemum coronarium L. was the species most sensitive to the application of EDTA, and had the highest enhancement of Cu and Pb concentrations in its shoots. Compared with EDTA, EDDS was more effective in enhancing the concentration of Cu in the shoots of Chrysanthemum coronarium L. and Zea mays L. grown on multi-metal contaminated soils. The EDTA-treated soil still had a significant ability to enhance the concentrations of Cu and Pb in the shoots of Zea mays L. six months after the chelant treatment. However, the EDDS-treated soil did not have any effect in enhancing the concentrations of metals in the shoots of Zea mays L. in the second crop test. The results may indicate that EDDS biodegrades more rapidly than EDTA in soil and is better in limiting potential metal leaching.
URI: http://hdl.handle.net/10397/2580
ISSN: 0269-7491
DOI: 10.1016/j.envpol.2006.02.012
Rights: Environmental Pollution © 2006 Elsevier. The journal web site is located at http://www.sciencedirect.com.
Appears in Collections:Journal/Magazine Article

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