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Decomposition of phosgene by microwave plasma-torch generated at atmospheric pressure

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7 Author(s)
Y. C. Hong ; Dept. of Molecular Sci. & Technol., Ajou Univ., Suwon, South Korea ; H. S. Uhm ; H. S. Kim ; M. J. Kim
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The microwave plasma-torch and its application for decomposition of chemical warfare agent using a moderate microwave power are investigated. Decomposition of chemical warfare agents is demonstrated for phosgene (COCl2) as a sample example. The main byproducts of phosgene decomposition are CO and Cl2. The Cl2 gas was completely converted to HCl by injecting NH3 into the microwave plasma-torch as an additive gas. The HCl is, in turn, eliminated by passing the exhaust gas through a wet-scrubber. Detailed decomposition properties of phosgene by microwave plasma-torch at the atmospheric pressure are also investigated by making use of Fourier transform infrared, mass spectroscopy, and ion chromatography.

Published in:

IEEE Transactions on Plasma Science  (Volume:33 ,  Issue: 2 )