Injection of N-Radicals into Diesel Engine Exhaust Treated by Plasma for Improved NOx Removal: A Feasibility Study
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B. S. RAJANIKANTH
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B. R. SUSHMA
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Dept. of High Voltage Engineering, Indian Institute of Science, Bangalore 560012, IndiaDept. of High Voltage Engineering, Indian Institute of Science, Bangalore 560012, India
B. R. SUSHMA
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[1] Dept. of High Voltage Engineering, Indian Institute of Science, Bangalore 560012, India
Reported in this paper is a feasibility study on the injection of plasma induced N radicals for the abatement of NO and NO;present in the actual diesel exhaust. The radical laden diesel exhaust was further treated by discharge plasma in a dielectric barrier discharge reactor. N radicals were produced in a separate plasma reactor filled with BaTiO;pellets and were then injected into the treatment zone. There was a significant improvement in the efficiency when the radicals were injected compared to that when there was no radical injection. The efficiency of NO;removal at 0 load with plasma alone was 14% whereas with the injection of N radicals it went up to 38%. The results of the experiments conducted at different loads are discussed.
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页码:202 / 206
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Mok Y S,Ham S W. Chemical Engineering Science . 1998