The exhaust gas from a diesel engine is one of the causes of the air pollusion. It is the most important subject required at this moment to eliminate the NOx components as well as soot simultaneously from the point of view of suppressing the air pollusion.
In the last one decade, we have been investigating about the reduction of NOx and COx by using discharge plasmas, obtaining reasonable results, but no useful means has been developed about the elimination of the soot. Very recently, however, we have successfully developped a new technique for the elimination of NOx and soot simultaneously by the combination of discharge plasma and oil dynamics. 100% of soot and 80% of NOx can be eliminated by our new technique.
In this paper, the principle of new technique and major results are described, the effect of oil to the NOx and soot elimination is analyzed by the electromagnetic theory, and some subjects for further investigation are suggested.
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