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Impact Of Edds Dosage On Lead Phytoextraction In Contaminated Urban Residential Soils, Zhiming Zhang, Dibyendu Sarkar, Virinder Sidhu, Manas Warke, Rupali Datta
Impact Of Edds Dosage On Lead Phytoextraction In Contaminated Urban Residential Soils, Zhiming Zhang, Dibyendu Sarkar, Virinder Sidhu, Manas Warke, Rupali Datta
Michigan Tech Publications
Lead (Pb) contamination in soils of residential properties due to peeling and chipping of Pb-based paint can cause human health problems. Phytoextraction is a green technology that has the potential to remediate soil Pb. The efficiency of phytoextraction is dependent on the geochemical forms of Pb in soil. A biodegradable chelating agent, ethylenediaminedisuccinic acid (EDDS), was previously shown to enhance Pb removal by facilitating phytoextraction. In this study, EDDS was tested at various concentrations for its potential in mobilizing Pb in urban residential soils in Jersey City, New Jersey, and San Antonio, Texas. Results show that the concentrations of plant-available …