Development of Environmental Protection Technologies for Atmosphere by Using the Non-Thermal Plasma

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Dilute toxic gas, such as CFC and volatile organic compounds (VOCs), decomposition techniques by using high pressure non-thermal plasma was developed. By passing through MnO2-supported alumina catalyst at the room temperature after the plasma process, more than 99% TCE (trichloroethylene) in the air was decomposed at SED (specific energy density) of 10 J/l but perfect oxidation of TCE needs 10 times more SED. Optical diagnosis of that plasma was developed and chemical reaction with help of the radicals generated by the plasma was analyzed.