Common explosives (TNT, RDX, HMX) and their fate in the environment: Emphasizing bioremediation.

Chemosphere

Gottfried Wilhelm Leibniz Universität Hannover, Institut für Radioökologie und Strahlenschutz (IRS), Herrenhäuser Str. 2, Gebäude 4113, 30419, Hannover, Germany. Electronic address:

Published: October 2017

AI Article Synopsis

  • * These contaminants pose significant risks to the environment and human health, leading to recommendations from the USEPA for limiting contact through drinking water.
  • * The article reviews effective remediation methods, focusing on bioremediation and phytoremediation techniques to address the degradation of these hazardous explosives.

Article Abstract

Explosive materials are energetic substances, when released into the environment, contaminate by posing toxic hazards to environment and biota. Throughout the world, soils are contaminated by such contaminants either due to manufacturing operations, military activities, conflicts of different levels, open burning/open detonation (OB/OD), dumping of munitions etc. Among different forms of chemical explosives, 2,4,6-trinitrotoluene (TNT), hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX), and octahydro-1,3,5,7-tetranitro- 1,3,5,7-tetrazocine (HMX) are most common. These explosives are highly toxic as USEPA has recommended restrictions for lifetime contact through drinking water. Although, there are several utilitarian aspects in anthropogenic activities, however, effective remediation of explosives is very important. This review article emphasizes the details of appropriate practices to ameliorate the contamination. Critical evaluation has also been made to encompass the recent knowledge and advancement about bioremediation and phytoremediation of explosives (especially TNT, RDX and HMX) along with the molecular mechanisms of biodegradation.

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Source
http://dx.doi.org/10.1016/j.chemosphere.2017.06.008DOI Listing

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