910 非熱プラズマ・ケミカルハイブリッドリアクタを用いたディーゼル排ガス中の微粒子, NO_x, SO_x 同時除去

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  • Simultaneous Removal of NO_x, SO_x and Particulates in Diesel Emisson Using Nonthermal Plasma-Chemical Hybrid-Reactor

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Simultaneous removal of NOx, SOx and particulates using nonthermal plasma-chemical hybrid reactor has been studied. The nonthermal plasma is used to oxidize NO to NO_2. NO_2 is reduced to N_2 and Na_2SO_4 by using Na_2SO_3 solution and SO_2 combined with H_2O is reduced to Na_2SO_4 by NaOH solution. Diesel particulates are charged by the pulse corona and collected on the inner wall of the reactor. The nonthermal plasma-chemical hybrid-reactor removed 74% of NO_x, 100% of SO_2 and 88% of particulates in diesel emisson with the specific energy of 43.5 J/L.

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