Advanced Environment and Energy Processes by Non-Equilibrium Reaction in Microwave Plasma Induced in Micro Structure of Carbonaceous Porous Materials

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It was discovered that microwave plasma was induced easily under atmospheric pressure by existence of carbonaceous porous materials like activated cokes. This phenomenon would be caused due that microstructure inside of the porous material and its appropriate property of conductivity contributed positively emission of electron in micro pores by microwave irradiation. The plasma induced by activated cokes in microwave irradiation may improve promisingly several reaction activities in a non-equilibrium state. In the present study, the following terms were performed fundamentally ; 1) elucidation of the plasma emission behavior, 2) reduction reaction activity of nitrogen oxides in the microwave plasma and spectroscopic measurement of the plasma luminescence and 3) decomposition of aromatic compounds. The results reveal the stable formation region of plasma for 2-components gas of argon and nitrogen, non-catalytic de-NOx effect using no reducing agent and high decomposition effect of benzene as a representative tar component.