Electrochemical reduction of hexahydro-1,3-5-trinitro-1,3,5-triazine in aqueous solutions

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DOIResolve DOI: http://doi.org/10.1021/es0305611
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TypeArticle
Journal titleEnvironmental Science and Technology
Volume38
Issue5
Pages15951599; # of pages: 5
Subjectenv; Solutions
AbstractElectrochemical reduction of RDX, hexahydro-1,3,5-trinitro-1,3,5-triazine, a commercial and military explosive, was examined as a possible remediation technology for treating RDX-contaminated groundwater. A cascade of divided flow-through cells was used, with reticulated vitreous carbon cathodes and IrO2/Ti dimensionally stable anodes, initially using acetonitrile/water solutions to increase the solubility of RDX. The major degradation pathway involved reduction of RDX to the corresponding mononitroso compound, followed by ring cleavage to yield formaldehyde and methylonedinitramine. The reaction intermediates underwent further reduction and/or hydrolysis, the net result being the complete transformation of RDX to small molecules. The rate of degradation increased with current density, but the current efficiency was highest at low current densities. The technique was extended successfully both to 100% aqueous solutions of RDX and to an undivided electrochemical cell.
Publication date
LanguageEnglish
AffiliationNRC Biotechnology Research Institute; National Research Council Canada
Peer reviewedNo
NRC number45971
NPARC number3538985
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Record identifierb0bf9a78-a303-41cf-9731-5ccd5ec224e7
Record created2009-03-01
Record modified2016-05-09
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