Study on New Functional Chemical Reactions in Plasma Exhaust Gas Clean-up Processes for Super Clean Diesel Engines

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New functional chemical reactions in atmospheric-pressure non-equilibrium nonthermal plasma exhaust gas clean-up processes for innovative environmental improvement are investigated and clarified according to the strategy for reducing the use of rare metal element. Catalytic properties of the nonthermal plasma are clarified using numerical simulations and experiments. Innovative and promising exhaust gas aftertreatment systems have been developed by collecting and unifying various kinds of new knowledge concerning plasma environmental purification technology. Final objective of this study is to realize diesel engines with ultra-low PM(particulate matter) and NO_x emissions, and contribute global environmental protection.