| abstract |
(57) [Summary] [PROBLEMS] To remove NO X from exhaust gas of an automobile equipped with an internal combustion engine To provide an effective, reliable and simple and compact device for removing odors. Apparatus for removing nitrogen oxides from the exhaust gas of an internal combustion engine is an alkaline electrolyte 4 liquid impregnated, the absorber 1 of porous for absorbing NO X as nitrates and nitrites Have. In this absorber 1, a pair of electrodes 5, 6 for electrochemically decomposing nitrate and nitrite into nitrogen, which are distributed in pairs, are distributed. |