バリア放電による窒素酸化物の還元処理

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  • Study of NOx Deoxidization Process in Dielectric Barrier Discharge
  • バリア ホウデン ニ ヨル チッソ サンカブツ ノ カンゲン ショリ

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We are researching to investigate an effective processing method of non-thermalcorona plasma to make the gaseous pollutant (NOx and SOx, etc.) harmless. And we havedeveloped a new system which can improve the NOx deoxidization rate using the dielectric barrier discharge method. The system is composed of high voltage power supply of changeable frequency, and a reactor to generate the corona plasma. The structure of the reactor consists of the coaxial type electrodes and the glass vessel which insulates the innerelectrode from the outer electrode. Furthermore, the grains of ferroelectric (barium titanate) and titania are filled in the reactor vessel to promote the NOx removal efficiency.The result of our experiment clearly shows that this system can reduce the pollutnat NOx in a nitrogen gas by 80% and more.

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