Behaviour of trinitrotoluene in electrokinetic soil processing
The behaviour and removal of trinitrotoluene (TNT) in contaminated soil under electrokinetic processes was investigated. The soil used in this study was obtained from the Hastings East Industrial Park site in Nebraska, USA. A current density of 123.3 μA/cm2 was applied to soil specimens compacted...
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| Main Authors: | , , , |
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| Format: | Article |
| Published: |
1998
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| Online Access: | http://journalarticle.ukm.my/1344/ http://www.ukm.my/jkukm/index.php/jkukm |
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| Summary: | The behaviour and removal of trinitrotoluene (TNT) in contaminated soil under
electrokinetic processes was investigated. The soil used in this study was obtained
from the Hastings East Industrial Park site in Nebraska, USA. A current density of
123.3 μA/cm2 was applied to soil specimens compacted in glass cells. Test with water
and a surfactant solution, SDS, as anolytes indicated that TNT concentrations in the
soil sample decreased significantly at the sections closest to the cathode. This,
however, was not due to removal of TNT away from the cathode. Extensive analysis
indicated that the disappearance of TNT was possibly due to the transformation of
TNT to TNT anions possibly due to reaction of TNT with base and reductive
environment generated during electrolysis. These anions were not detected in initial
analysis with high performance liquid chromatography using EPA method. The
electrokinetic processes needs further engineering in order to enhance removal of
TNT from soils |
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