Gliding discharge plasma in a large scale reactor was used for decomposition of tetrachloromethane. The new power supply system based on a power inverter was used. The conversion of CCl 4 was investigated in air at normal pressure. The reactor was made of a quartzglass tube 60 mm in diameter and contained three converging electrodes 140 mm long. Effects of the initial CCl 4 concentration, gas flow rate and discharge power on CCl 4 conversion have been studied. The conversion of CCl 4 was high in all cases reaching a maximum of 90%. The conversion of tetrachloromethane decreased with increasing initial concentration of CCl 4 in the reaction mixture. Changing the gas flow rate from 1000 Nl h -1 to 1400 Nl h -1 decreased the conversion of tetrachloromethane.
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