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      • VOCs 제거를 위한 플라즈마-덤프 연소기 개발

        전영남(Young Nam Chun),김은혁(Eun Hyuk Kim),임문섭(Mun Sup Lim),천우일(Woo Il Cheon) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11

        Volatile organic compounds (VOCs) are gases with low calorific values produced from the painting or drying process whose stable combustion cannot be ensured by direct combustion. In this study, a plasma dump combustor was proposed to remove a representative VOC, toluene, after the desorption of VOCs from the painting process via adsorption and concentration. The three-phase gliding arc plasma and dump combustor were combined. The system treated VOCs with a stable flame due to the plasma, and strong oxidative power due to the high-energy free electrons and diverse radicals. Mass treatment was possible using the dump combustor. The toluene reduction characteristic was examined according to the total gas feed, electric supply, and 3D matrix heat accumulator. When the dump injector was placed inside and a 3D matrix was installed at a 180 L/min gas injection rate, 100.7 W electric power, and 3000 ppm injection concentration, the toluene decomposition efficiency was 99.5%, and the energy efficiency was 447.2g(kWh)<SUP>-1</SUP>, which was the highest.

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