Inderscience Publishers

Non-Thermal Plasma degradation of wastewater in presence of titanium oxide by gliding arc discharge

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Degradation of polluted plastic and rubber wastewater using the plasmachemical and plasmacatalytic process has been studied by non-thermal gliding arc technique. The gaseous species formed in the discharge, and especially the °OH radicals, induced strong oxidising effects in the target solution. The treatment with TiO2 photo-catalyst led to a degradation of 80% in 60 min, a decrease of turbidity of 92% and enabled the wastewater to become biodegradable in less than 30 min. In both cases of treatment with and without catalyst, the plasmageneous process appears to give once more satisfactory results in the field of wastewaters degradation.

Keywords: non-thermal plasma degradation, gliding arc discharge, plasma catalysis, plasma chemistry, plastic wastewater, rubber wastewater, wastewater treatment, titanium oxide, water pollution, biodegradable wastewater

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