放電によるオゾン発生法に関する考察

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  • Consideration about Ozone Generation Method Using Electrical Discharge
  • ホウデン ニヨル オゾン ハッセイホウ ニ カンスル コウサツ

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The author has considered an ozone generation method using electrical discharge by means of separating the ozone generation process into an oxygen atom formation process and an ozone formation process. In the oxygen atom formation process, a nonequilibrium electric discharge dissociates oxygen molecules into oxygen atoms efficiently under a low gas pressure (less than a few tens [Tory]), and a high gas temperature (more than 700[k]). The oxygen atoms have a considerable long life time under such a low gas pressure and a high gas temperature. In the ozone formation process, the oxygen atoms are mixed with air, the 2nd material gas, to be efficiently converted into ozone molecules by three-body collisions under a high gas pressure (more than 760[Torr]) and a low gas temperature (less than 350[k]). The concept of a novel ozone generator with 0/03 different space generation system is constructed with combining the oxygen formation process and the ozone formation process without loss of oxygen atoms during transportation. According to the simulation result, it can generate the 03 of 0.498[mol%] with the efficiency of 280[g/kwh] by 1 stage reaction system and the 03 of 2.93[mol%] with the efficiency of 172[g/kwh] by 4 stage one. In comparison with the silent discharge ozone generator, 0/03 same-space-generation system, the 0/03 different-space-generation system has the following advantages; (1) Reduction of energy loss by ion current, (2) Removal of ozone destruction by electrons in the discharge space, (3) Reduction of oxygen material gas by replacing the large part of the oxygen material gas into air.

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