Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/4220
Title: Vetiver grass is capable of removing TNT from soil in the presence of urea
Authors: Das, Padmini K. 
Datta, Rupali K. 
Sarkar, Dibyendu 
Makris, Konstantinos C. 
Keywords: 2,4,6-trinitrotoluene (TNT);Urea;Phytoremediation;Chaotropic effect;Bioremediation
Category: Earth and Related Environmental Sciences
Field: Natural Sciences
Issue Date: May-2010
Publisher: Elsevier B.V.
Source: Environmental Pollution, 2010, Volume 158, Issue 5, Pages 1980-1983
Abstract: The high affinity of vetiver grass for 2,4,6 trinitrotoluene (TNT) and the catalytic effectiveness of urea in enhancing plant uptake of TNT in hydroponic media we earlier demonstrated were further illustrated in this soil-pot-experiment. Complete removal of TNT in urea-treated soil was accomplished by vetiver at the low initial soil-TNT concentration (40 mg kg−1), masking the effect of urea. Doubling the initial TNT concentration (80 mg kg−1) significantly (p < 0.002) increased TNT removal by vetiver, in the presence of urea. Without vetiver grass, no significant (p = 0.475) change in the soil-TNT concentrations was observed over a period of 48 days, suggesting that natural attenuation of soil TNT could not explain the documented TNT disappearance from soil.
URI: http://ktisis.cut.ac.cy/handle/10488/4220
ISSN: 0269-7491
DOI: http://dx.doi.org/10.1016/j.envpol.2009.12.011
Rights: © Elsevier Ltd.
Type: Article
Appears in Collections:Άρθρα/Articles

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