To provide exhaust gas processing apparatus capable of removing unburned hydrocarbon contained in exhaust gas with high efficiency and reliability in a simple configuration.
This exhaust gas processing apparatus includes a hydrocarbon conversion device 3 for converting at least one part of hydrocarbon in exhaust gas into carbon monoxide mainly, a catalyst purification device 4 for purifying the exhaust gas processed by the hydrocarbon conversion device 3 using a catalyst, and a conversion control device 8 for controlling the hydrocarbon conversion device 3 so as to convert at least one part of hydrocarbon in the exhaust gas into carbon monoxide mainly. A discharge plasma conversion device for converting the hydrocarbon into the carbon monoxide, or an ozone reaction device for converting the hydrocarbon into the carbon monoxide by deriving a reaction of the exhaust gas and the ozone.
SHIRAGAMI AKIRA
KURAHASHI MASATO
Konobu Kato
Hideaki Tazawa
Hamada Hatsune