Volume 101, Number 4, February 2013
|Number of page(s)||5|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||05 March 2013|
Steam plasma jet for treatment of contaminated water with high-concentration 1,4-dioxane organic pollutants
1 Institute of Plasma Physics, Chinese Academy of Sciences - P.O. Box 1126, Hefei 230031, PRC
2 Department of Electrical Engineering and Computer Science - Nagoya University, Nagoya, Japan
Received: 20 November 2012
Accepted: 29 January 2013
A steam plasma jet (SPJ) by using both water and 1,4-dioxane aqueous solution (DAS) as working medium was injected into contaminated water to decompose 1,4-dioxane. The optical emission spectroscopy analysis showed that the formation of the excited species CH* and C2* depended on the concentration of 1,4-dioxane. The influences of SPJ gas temperatures for different working mediums were discussed. The 1,4-dioxane decomposition was enhanced when DAS was used as working medium and SPJ was injected into DAS. Synthesis gas (a mixture of H2 and CO) and CO2 were the main products in gaseous effluents.
PACS: 52.75.Hn – Plasma torches / 52.50.Dg – Plasma sources / 82.33.Xj – Plasma reactions (including flowing afterglow and electric discharges)
© EPLA, 2013
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