| abstract |
The present invention includes an electrochemical system for the treatment of exhaust gases from polluted gases such as diesel or gasoline engines, consisting of NO x reduction catalyst A, hydrocarbon oxidation catalyst B, electrically conductive compound C and ion conductive compound D, Catalysts A and B are deposited in the pores of the inorganic material, and the ion conductive inorganic material, the electrically conductive inorganic material, or the ion conductive inorganic material and the electrically conductive inorganic material, respectively, constitute component C, component D, or composition of the electrochemical system. The gas purification structure, characterized in that it consists of or is covered with at least one electrically conductive and / or ion conductive porous inorganic material to constitute both elements C and D. |