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Characteristics of treatment of diesel flue gas by irradiation of pulsed, intense relativistic electron beam

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2 Author(s)
G. Imada ; Dept. of Electr. Eng., Nagaoka Univ. of Technol., Niigata, Japan ; K. Yatsui

Diesel flue gas in a chamber spatially isolated from electron-beam source has been successfully treated by pulsed, intense relativistic electron beam (PIREB). A flue gas treatment chamber, 1.6-m isolated from the PIREB source, is filled up with the diesel flue gas at the pressure of 200 kPa, and is irradiated by the PIREB [2 MV, 0.1 kA, 65 ns (full-width at half-maximum)]. We have obtained that 85%-97% of nitrogen oxide (NOx) is removed by firing 10 shots of the PIREB irradiation. The net energy efficiency of NOx removal has been found to be 210 g/kWh. It is found that the rapid reduction of NOx at the first shot of the PIREB irradiation is caused by the effect of water vapor in the diesel flue gas. The treatment of sulfur dioxide (SO2) by the PIREB irradiation depends strongly on the initial concentration of SO2 in the diesel flue gas.

Published in:

IEEE Transactions on Plasma Science  (Volume:34 ,  Issue: 1 )