Abstract
A non-thermal dielectric barrier plasma reactor with a high NO_2/NO_X conversion was developed for soot oxidation using NO_2 gas obtained from plasma assisted oxidation of NO in diesel exhaust. Newly developed reactor operates at a relatively low discharge voltage and input power due to unique electrode configuration. Effect of reactor geometry on plasma intensity was clarified measuring induced electric energy and analyzing active gas component such as ozone. Maximum NO_2/NO_X conversion ratio was obtained at an energy density level in which ozone concentration peaks.
