EDDS and EDTA-enhanced phytoextraction of metals from artificially contaminated soil and residual effects of chelant compounds

Environmental Pollution
Chun-Ling LuoXiangdong Li

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.

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Citations

Feb 6, 2008·International Journal of Phytoremediation·Chun-Ling LuoXiang-Dong Li
Aug 26, 2010·International Journal of Phytoremediation·Shujie ZhangFeng Hu
Aug 23, 2012·International Journal of Phytoremediation·V Ryan PerrySigurdur Greipsson
Aug 10, 2011·Biological Trace Element Research·Enio Tarso de Souza CostaBeverley A Hale
Nov 13, 2008·Bulletin of Environmental Contamination and Toxicology·Yuebing SunWeitao Liu
Feb 9, 2016·International Journal of Phytoremediation· SaifullahSaad Dahlawi
Jan 29, 2013·Journal of Environmental Management·Zeng-Yei HseuHong-Wei Deng
Jan 1, 2012·Journal of Environmental Sciences (China)·Renxiu YangZhenguo Shen
Jul 16, 2010·Journal of Hazardous Materials·Zhongqiu ZhaoYizong Huang
Jun 17, 2015·Environmental Science and Pollution Research International·Li YangChunling Luo
Oct 17, 2015·Bulletin of Environmental Contamination and Toxicology·Puhui JiWenshe Han
Jun 29, 2011·Journal of Environmental Management·M A HashimBhaskar Sengupta
Jun 20, 2015·International Journal of Phytoremediation·Yanzhao FuChunling Luo
Mar 1, 2012·Environmental Pollution·Aiguo WangXiangdong Li
Dec 25, 2007·Environmental Pollution·Domen LestanXiang-dong Li
Dec 15, 2010·Journal of Hazardous Materials·Chunling LuoXiangdong Li
Nov 18, 2014·Environmental Science and Pollution Research International·Chang-Wu LiYong-Dong Wang
Dec 19, 2013·Bioinorganic Chemistry and Applications·Wending XuXiaoyun Yi
May 25, 2016·Journal of Environmental Management·Giovanni VigliottaStefano Castiglione
Jul 15, 2016·Ecotoxicology and Environmental Safety·Hanzhi ZhangChunyan Shao

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