Full TGIF Record # 270419
Item 1 of 1
DOI:10.1016/j.biortech.2010.08.006
Web URL(s):http://www.sciencedirect.com/science/article/pii/S0960852410013416
    Last checked: 12/15/2016
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Zhao, Shulan; Lian, Fei; Duo, Lian
Author Affiliation:College of Life Sciences, Tianjin Normal University, Tianjin, China
Title:EDTA-assisted phytoextraction of heavy metals by turfgrass from municipal solid waste compost using permeable barriers and associated potential leaching risk
Source:Bioresource Technology. Vol. 102, No. 2, January 2011, p. 621-626.
# of Pages:6
Publishing Information:Exeter, England: Elsevier Science, Ltd.
Related DOI10.1016/j.biortech.2010.08.006
Keywords:TIC Keywords: Edta; Filter strips; Groundwater contamination; Heavy metals; Leaching; Lolium perenne; Municipal solid waste; Phytoextraction
Abstract/Contents:"A column experiment with horizontal permeable barriers was conducted to investigate phytoextraction of heavy metals by Lolium perenne L. from municipal solid waste compost following EDTA application, as well as to study the effects of L. perenne and permeable barriers on preventing metal from leaching. In columns with barriers, EDTA addition yielded maximum concentrations of Cu, Zn and Pb of 155, 541 and 33.5 mg kg-1 in shoot, respectively. This led to 4.2, 2.1 and 7.4 times higher concentrations of Cu, Zn and Pb compared to treatment with no chelating agent, respectively. In treatments with 10 mmol kg-1 EDTA, the barriers reduced leaching of Cu, Zn and Pb by approximately three times, respectively, resulting in leaching of total initial Cu, Zn and Pb by 27.3%, 25.2% and 28.8%, respectively, after four times' irrigation. These results indicate that L.perenne and permeable barriers are effective to reduce leaching of heavy metals and minimize the risk of contaminating groundwater in EDTA-enhanced phytoremediation. Thus these findings highlight that turfgrass and permeable barriers can effectively prevent metal leaching."
Language:English
References:35
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Zhao, S., F. Lian, and L. Duo. 2011. EDTA-assisted phytoextraction of heavy metals by turfgrass from municipal solid waste compost using permeable barriers and associated potential leaching risk. Bioresour. Technol. 102(2):p. 621-626.
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DOI: 10.1016/j.biortech.2010.08.006
Web URL(s):
http://www.sciencedirect.com/science/article/pii/S0960852410013416
    Last checked: 12/15/2016
    Access conditions: Item is within a limited-access website
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