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Pulsed Nonthermal Plasma Processing for Industrial DeNOx/DeSOx Control
장성덕(S. D. Jang),조무현(M. H. Cho) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
Pulsed corona induced plasma chemical process (PPCP) can be applied to the removal of pollutant gases from industrial plants such as power generation plants and incinerators. A PPCP unit, one of the world's largest scales of PPCP, has been tested for the simultaneous removal of NO<SUB>x</SUB> and SO₂ from the flue gas emission at an industrial incinerator with the gas flow rate of 42,000 N㎥/h. An average 120 ㎾ modulator using a magnetic-pulse-compression (MPC) switch is used to generate the nanopulse for corona induction. It was observed that the PPCP made significant NO<SUB>x</SUB> and SO₂ conversion with reasonable electric power consumption. NO removal efficiency was significantly improved by injecting a C₃H? additive. In this experiment, the removal efficiencies of SO₂ and NO<SUB>x</SUB> were analyzed by approximately 95% and 60%, respectively. The specific energy consumption during the normal operation was approximately 1.4 Wh/㎥ with the PPCP.