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Τίτλος: High uptake of 2,4,6-trinitrotoluene by vetiver grass – potential for phytoremediation?
Συγγραφείς: Shakya, Kabindra Man 
Datta, Rupali K. 
Sarkar, Dibyendu 
Pachanoor, Devanand 
Makris, Konstantinos C. 
Major Field of Science: Natural Sciences
Field Category: Earth and Related Environmental Sciences
Λέξεις-κλειδιά: Vetiver grass;TNT;Phytoremediation;Hydroponic study
Ημερομηνία Έκδοσης: Μαρ-2007
Πηγή: Environmental Pollution, 2007, Volume 146, Issue 2, Pages 1–4
Volume: 146
Issue: 2
Start page: 1
End page: 4
Περιοδικό: Environmental Pollution 
Περίληψη: 2,4,6-Trinitrotoluene (TNT) is a potent mutagen, and a Group C human carcinogen that has been widely used to produce munitions and explosives. Vast areas that have been previously used as ranges, munition burning, and open detonation sites are heavily contaminated with TNT. Conventional remediation activities in such sites are expensive and damaging to the ecosystem. Phytoremediation offers a cost-effective, environment-friendly solution, utilizing plants to extract TNT from contaminated soil. We investigated the potential use of vetiver grass (Vetiveria zizanioides) to effectively remove TNT from contaminated solutions. Vetiver grass plants were grown in hydroponic systems containing 40 mg TNT L−1 for 8 d. Aqueous concentrations of TNT reached the method detection limit (∼1 μg L−1) within the 8-d period, demonstrating high affinity of vetiver for TNT, without any visible toxic effects. Results from this preliminary hydroponic study are encouraging, but in need of verification using TNT-contaminated soils.
URI: https://hdl.handle.net/20.500.14279/1218
ISSN: 02697491
DOI: http://dx.doi.org/10.1016/j.envpol.2006.06.020
Rights: © Elsevier Ltd.
Type: Article
Affiliation: University of Texas 
Publication Type: Peer Reviewed
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