B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/94 (2006.01) B01D 53/32 (2006.01) B01D 53/56 (2006.01) B01D 53/62 (2006.01) B01J 35/04 (2006.01) F01N 3/035 (2006.01)
Patent
CA 2701732
A device for the purification of a polluted gas, for example an exhaust gas from a diesel or petrol engine, comprising, in combination: a honeycomb structure, comprising at least one porous electron-conductive material forming the walls (1) of said structure and an electrochemical system for treating said gas, comprising a layer (7) of an ionically conductive and electronically insulating material D, a reduction catalyst A (9) for reducing the polluting species of the NOx type, an oxidation catalyst B (4) for oxidizing the polluting species of the soot, hydrocarbon HC, CO or H2 type, said electrochemical system being configured in the form of an electrode W and a counterelectrode CE, and means for applying a voltage or a current between said electrode W and said counterelectrode CE.
Dispositif pour la purification d'un gaz pollué, par exemple un gaz d'échappement d'un moteur diesel ou essence, comprenant en combinaison une structure en nid d'abeille, comprenant
Hadjar Abdelkader
Marouf Ahmed
Vernoux Philippe
Goudreau Gage Dubuc
Saint-Gobain Centre de Recherches Et D'etudes Europeen
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