Development of new plasma reactor operated under atmospheric condition

Abstract

Summary form only given. Capabilities of a new plasma reactor have been examined in decomposition of NO into N/sub 2/ and O/sub 2/ by using "CAPT (catalyst and plasma technology)-Type-1", whose is reformed from the configuration of Reed Switch. The reactions in the new proposed "CAPT-Type-2" are more effectively proceed in the plasma zone of glow discharges between two electrodes (stator and rotor of fan motor), both of which are plated with precious metals having catalytic effects, such as Pd, Rh or Pt film. In comparison with conventional catalytic process, excellent results have been obtained with "CAPT-Type-2" reactor operated under atmospheric pressure. This device may have the unique characteristics, i.e, the capability to control reduction or oxidation of gas phase by changing the following various factors: 1. Electrode metals; 2. Electrode gap; 3. Power source condition (AC, Voltage, frequency); 4. The number of fan' fin; 5. The speed of rotation; 6. The number of CAPT reactors in series. The results in the both reactors are qualitatively summarized. NOx dissociation mechanisms were also investigated by using a spectrometer or a mass spectrometer.