Suzuki Motor Corporation

Kosei Yamamoto

Nobutoshi Konagai

Fumikazu Kimata

Ruri Higuchi

Kaoru Takeishi

The object of the present invention is to achieve excellent reforming ability even at lower temperatures, with a dimethyl ether steam reforming catalyst. According to the present invention, there is provided a dimethyl ether steam reforming catalyst capable of steam-reforming dimethyl ether to obtain hydrogen, comprising active alumina, Cu, and at least one element selected from the group consisting of Mn and Fe, the catalyst being prepared by a sol-gel method, and the catalyst having a porous structure.

Dimethyl ether steam reforming catalyst and method for producing the same

An object of the present invention is to provide a construction for exhaust emission control, which can prevent thermal deterioration in a catalyst and can heat exhaust gas to a catalyst activation temperature. In the present invention, an electrically heated catalyst portionis provided in a separatorin a silencerlocated at a distance from an engine. This electrically heated catalyst portionheats low-temperature exhaust gas to a catalyst activation temperature. The exhaust pipebranches into three pipesandin the silencerThe electrically heated catalyst portionhas a shape surrounding the each outer peripheral surface of pipeandof an exhaust pipeExhaust gas is warmed to a temperature close to the catalyst activation temperature when it flows in the pipesandand flows out of the pipeandSubsequently, the exhaust gas is heated to the catalyst activation temperature when it passes through the electrically heated catalyst portion

Construction for exhaust emission control

An object of the present invention is to provide an exhaust gas purification catalyst which can minimize the separation of the catalyst layer due to heat and vibration, can suppress thermal deterioration of the catalytic substance, and can exhibit excellent purification capabilities under severe conditions. Specifically, the present invention relates to an exhaust gas purification catalyst wherein an undercoat layer comprising a heat-resistant inorganic oxide having an oxygen-absorbing substance added thereto is formed on a surface of a metallic carrier, and a catalyst-carrying layer is formed on the undercoat layer.

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Hamamatsu, Japan

Kosei Yamamoto