Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/2553
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dc.contributorDepartment of Civil and Environmental Engineering-
dc.creatorLuo, C-
dc.creatorShen, Z-
dc.creatorLi, X-
dc.date.accessioned2014-12-11T08:27:18Z-
dc.date.available2014-12-11T08:27:18Z-
dc.identifier.issn0045-6535-
dc.identifier.urihttp://hdl.handle.net/10397/2553-
dc.language.isoenen_US
dc.publisherPergamon Pressen_US
dc.rightsChemosphere © 2004 Elsevier. The journal web site is located at http://www.sciencedirect.com.en_US
dc.subjectPhytoextractionen_US
dc.subjectEDTAen_US
dc.subjectEDDSen_US
dc.subjectMetalsen_US
dc.subjectCornen_US
dc.subjectBeansen_US
dc.titleEnhanced phytoextraction of Cu, Pb, Zn and Cd with EDTA and EDDSen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage1-
dc.identifier.epage11-
dc.identifier.volume59-
dc.identifier.issue1-
dc.identifier.doi10.1016/j.chemosphere.2004.09.100-
dcterms.abstractChemically enhanced phytoextraction has been proposed as an effective approach to removing heavy metals from contaminated soil through the use of high biomass plants. Using pot experiments, the effects of the application of EDTA, EDDS and citric acid on the uptake of Cu, Pb, Zn and Cd by corn (Zea mays L. cv. Nongda 108) and bean (Phaseolus vulgaris L. white bean) plants were studied. The results showed that EDDS was more effective than EDTA at increasing the concentration of Cu in corn and beans. The application of 5mmolkg⁻¹ soil EDDS to soil significantly increased concentrations of Cu in shoots, with maximum levels of 2060 and 5130mgkg⁻¹ DW in corn and beans, respectively, which were 45- and 135-fold higher than that in the corresponding control plants to which chelate had not been applied. Concentrations of Zn in shoots were also higher in the plants treated with EDDS than in those treated with EDTA. For Pb and Cd, EDDS was less effective than EDTA. The maximum Cu phytoextraction was found with the EDDS treatment. The application of EDTA and EDDS also significantly increased the shoot-to-root ratios of the concentrations of Cu, Pb, Zn and Cd in both plant species. The results of metal extraction with chelates showed that EDDS was more efficient at solubilizing Cu and Zn than EDTA, and that EDTA was better at solubilizing Pb and Cd than EDDS.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationChemosphere, Mar. 2005, v. 59, no. 1, p. 1-11-
dcterms.isPartOfChemosphere-
dcterms.issued2005-03-
dc.identifier.isiWOS:000227822000001-
dc.identifier.scopus2-s2.0-13844276841-
dc.identifier.pmid15698638-
dc.identifier.eissn1879-1298-
dc.identifier.rosgroupidr22151-
dc.description.ros2004-2005 > Academic research: refereed > Publication in refereed journal-
dc.description.oaAccepted Manuscripten_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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