| 摘要 |
An exhaust gas purification system equipped, from an upstream side toward downstream side through which an exhaust gas flows, with a plasma reactor and a catalyst unit charged with a catalyst acting on NOx in the exhaust gas in this order, and equipped with a reducing agent supplying device to supply a reducing agent at an upstream side of the plasma reactor, wherein the catalyst has an NO2 adsorptive catalyst layer and an NO2 selective reduction catalyst layer contacting the NO2 adsorptive catalyst layer.
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