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Issue
Korean Chemical Engineering Research,
Vol.43, No.1, 129-135, 2005
저온 플라즈마 공정에 의한 효율적인 탈황 및 탈질
Efficient Desulfurization and Denitrification by Low Temperature Plasma Process
김성민, 김동주, 김교선
본 연구에서는 펄스 코로나 방전 공정에 의해 SO2와 SO2/NO의 제거효율을 분석하였으며, 여러 공정변수가 제거효율에 끼치는 영향을 체계적으로 조사하였다. 공정변수로서 인가전압, 펄스 주파수, 체류시간, 반응물의 초기 농도(NO, SO2, NH3, H2O and O2)의 영향을 분석하였다. 인가되는 전압, 펄스 주파수 또는 체류시간이 증가함에 따라 또는 O2와 H2O가 첨가됨에 따라 SO2의 제거효율과 SO2/NO의 동시 제거효율은 증가하였다. 또한, NH3의 초기 농도가 증가할수록 SO2/NO의 제거효율은 증가하였다. 이 실험적인 결과들은 NOx와 SOx를 제거하기 위한 펄스 코로나 방전 공정장치 설계의 기초 자료로 사용될 수 있다.
In this study, we have analyzed the removal efficiencies of SO2 and SO2/NO by the pulsed corona discharge process and investigated the effects of several process variables on those removal efficiencies systematically. The effects of process variables such as applied voltage, pulse frequency, residence time, and initial concentrations of reactants (NO, SO2, NH3, H2O, and O2) on the removal efficiency were analyzed. As the applied voltage, the pulse frequency or the residence time increases or as the O2 or the H2O or the NH3 concentration in the inlet feed gas stream increases, the SO2 removal efficiencies and the simultaneous removal efficiencies of SO2/NO also increase. These experimental results can be used as a basis to design the pulsed corona discharge process to remove NOx and SOx.
Keywords: Desulfurization; Denitrification; Low Temperatune Plasma Process; Removal Efficiency
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[Cited By]
  1. Kim DJ, Nasonova A, Kim KS, Clean Technology, 13(2), 115, 2007
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