Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/2567
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dc.contributorDepartment of Civil and Environmental Engineering-
dc.creatorLuo, C-
dc.creatorShen, Z-
dc.creatorLi, X-
dc.date.accessioned2014-12-11T08:27:32Z-
dc.date.available2014-12-11T08:27:32Z-
dc.identifier.issn0049-6979-
dc.identifier.urihttp://hdl.handle.net/10397/2567-
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.rights© Springer Science+Business Media B.V. 2007. The original publication is available at www.springerlink.com.en_US
dc.subjectHot NTAen_US
dc.subjectPhytoextractionen_US
dc.subjectMetalsen_US
dc.subjectBeansen_US
dc.subjectRoot damageen_US
dc.titleHot NTA application enhanced metal phytoextraction from contaminated soilen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage127-
dc.identifier.epage137-
dc.identifier.volume188-
dc.identifier.issue1-4-
dc.identifier.doi10.1007/s11270-007-9529-3-
dcterms.abstractTo increase the phytoextraction efficiency of heavy metals and to reduce the potential negative effects of mobilized metals on the surrounding environment are the two major objectives in a chemically enhanced phytoextraction process. In the present study, a biodegradable chelating agent, NTA, was added in a hot solution at 90°C to soil in which beans (Phaseolus vulgaris L., white bean) were growing. The concentrations of Cu, Zn and Cd, and the total phytoextraction of metals by the shoots of the plant from a 1 mmol kg⁻¹ hot NTA application exceeded those in the shoots of plants treated with 5 mmol kg⁻¹ normal NTA and EDTA solutions (without heating treatment). A significant correlation was found between the concentrations of metals in the shoots of beans and the relative electrolyte leakage rate of root cells, indicating that the root damage resulting from the application of a hot solution might play an important role in the process of chelate-enhanced metal uptake in plants. The application of hot NTA solutions did not significantly increase metal solubilization in soil in comparison with a normal application of solution of the same dosage. Therefore, the application of a hot NTA solution may provide a more efficient alternative in chemical-enhanced phytoextraction, although further studies of techniques of application in fields are sill required.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationWater, air, & soil pollution, Feb. 2008, v. 188, no. 1-4, p. 127-137-
dcterms.isPartOfWater, air, & soil pollution-
dcterms.issued2008-02-
dc.identifier.isiWOS:000252476700010-
dc.identifier.scopus2-s2.0-38349105021-
dc.identifier.eissn1573-2932-
dc.identifier.rosgroupidr36229-
dc.description.ros2007-2008 > 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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