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고이온화에너지와 첨가제(O2, H2O, H2)에 의한 육불화황(SF6) 제거효율과 부산물에 관한 연구 KCI 등재
A Study on Destruction and Removal Efficiency (DRE) and By-products of Sulfur Hexafluoride (SF6) using High Ionization Energy with Conditioning Agents (O2, H2O, and H2)
pp.592-599
SF6 (sulfur hexafluoride) gas has an extremely high global warming potential (GWP) because of strong absorption of infrared radiation and long atmospheric lifetime which cause the global warming effect. The objective of this study is to identify the effects of destruction and removal efficiency (DRE) of SF6 by the addition of oxygen, water vapor and hydrogen. The applied dose of ionization energy was 1,028 kGy(5 mA). The initial concentrations of SF6, O2, H2O and H2 gases were 1,000 ppm, 1,000 ppm, 3,000 ppm, 3,000 ppm, respectively. The DRE was increased about 2 times with O2 gas injection. The SF6 was completely removed with H2O and H2 gas injection. By-products formed by SF6 destruction were mainly HF and F2 gases. In addition, SF2, NF3, N2O, SO2, SO2F2, and NOx gases were produced.
