Fresh organic matter of municipal solid waste enhances phytoextraction of heavy metals from contaminated soil

Environmental Pollution
S SalatiF Adani

Abstract

In this study, the ability of the organic fraction of municipal solid wastes (OFMSW) to enhance heavy metal uptake of maize shoots compared with ethylenediamine disuccinic acid (EDDS) was tested on soil contaminated with heavy metals. Soils treated with OFMSW and EDDS significantly increased the concentration of heavy metals in maize shoots (increments of 302%, 66%, 184%, 169%, and 23% for Cr, Cu, Ni, Zn, and Pb with respect to the control and increments of 933%, 482%, 928%, 428%, and 5551% for soils treated with OFMSW and EDDS, respectively). In soil treated with OFMSW, metal uptake was favored because of the high presence of dissolved organic matter (DOM) (41.6x than soil control) that exhibited ligand properties because of the high presence of carboxylic acids. Because of the toxic effect of EDDS on maize plants, soil treated with OFMSW achieved the highest extraction of total heavy metals.

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Citations

Dec 4, 2013·Environmental Science and Pollution Research International·Daniel C W Tsang, Neil R Hartley
Oct 27, 2015·Journal of Environmental Management·Gulgun Dede, Saim Ozdemir
Apr 8, 2015·International Journal of Phytoremediation·Michele A ParisienBarbara A Zeeb
Jun 29, 2011·Journal of Environmental Management·M A HashimBhaskar Sengupta
Aug 30, 2014·Environmental Science and Pollution Research International·Shuhe WeiJiangong Zhu
Jan 22, 2019·International Journal of Phytoremediation·Amir MoslehiHamid Reza Eisvand
Jun 28, 2018·Environmental Science and Pollution Research International·Liqiang LuoJian Liu
Dec 12, 2018·Ecotoxicology and Environmental Safety·Xinxin YeHongjian Gao
Jul 3, 2021·International Journal of Environmental Research and Public Health·Yu-Shan YenHung-Yu Lai

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