Effect of Water Vapor on Benzene Decomposition Using a Nonthermal-Discharge Plasma Reactor |
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| Authors: | Ogata Atsushi Shintani Noboru Yamanouchi Kazushi Mizuno Koichi Kushiyama Satoshi Yamamoto Toshiaki |
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| Affiliation: | (1) National Institute for Resources and Environment, 16-3 Onogawa, Tsukuba, Ibaraki, 305-8569, Japan;(2) Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka, 599-8531, Japan |
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| Abstract: | The effect of water vapor on benzene decomposition in air was investigatedusing a nonthermal-discharge plasma reactor packed with ferroelectricmaterials. The conversion of benzene was found to decrease with an increaseof water concentration. On the other hand, the selectivity to CO2 in thedecomposition products increased with an increase of water concentration. Acomparison between the benzene conversion to CO and CO2 suggested that COformation was suppressed by water to a greater extent than was CO2formation. N2O formation also decreased with an increase of waterconcentration. These results suggest that the activity of oxygen speciesresponsible for the formation of CO and N2O is reduced by water. |
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| Keywords: | nonthermal plasma benzene water vapor atmospheric pressure |
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