Diesel vehicle particle complementing catalyst and preparation method thereof
The invention relates to a diesel vehicle particle complementing catalyst and a preparation method thereof, and belongs to the technical field of the motor vehicle exhaust post-treatment. The diesel vehicle particle complementing catalyst comprises a carrier. The carrier is aluminum titanate, silico...
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| creator | RAO CHAO MAO BINGBIN CAI XIAOJIANG WANG GANG WANG SHIFENG HAO SHIJIE LYU YAN'AN YUE JUN HU YIFAN JIA LIWEI YUAN FANGFANG WU YING |
| description | The invention relates to a diesel vehicle particle complementing catalyst and a preparation method thereof, and belongs to the technical field of the motor vehicle exhaust post-treatment. The diesel vehicle particle complementing catalyst comprises a carrier. The carrier is aluminum titanate, silicon carbide or cordierite materials, and is a whole carrier with an asymmetric wall flow-type honeycomb structure. The carrier is coated with a coating material of catalyzed carbon oxide particles and volatile organic compounds, wherein a coating quantity of the coating material is 1-50 g/L. In the coating material, cerium oxide and aluminum oxide are used as a load matrix of precious metals Pt and Pd, alkali metals (potassium, sodium, lithium and the like) are used as chemical and structure additives. The diesel vehicle particle complementing catalyst prepared by using the preparation method has a lower carbon particle oxidation balance point temperature. Because of the presence of the alkalimetals, a contact rate o |
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The diesel vehicle particle complementing catalyst comprises a carrier. The carrier is aluminum titanate, silicon carbide or cordierite materials, and is a whole carrier with an asymmetric wall flow-type honeycomb structure. The carrier is coated with a coating material of catalyzed carbon oxide particles and volatile organic compounds, wherein a coating quantity of the coating material is 1-50 g/L. In the coating material, cerium oxide and aluminum oxide are used as a load matrix of precious metals Pt and Pd, alkali metals (potassium, sodium, lithium and the like) are used as chemical and structure additives. The diesel vehicle particle complementing catalyst prepared by using the preparation method has a lower carbon particle oxidation balance point temperature. 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| subjects | BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES CONSUMING WASTE PRODUCTS BY COMBUSTION CREMATION FURNACES HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS |
| title | Diesel vehicle particle complementing catalyst and preparation method thereof |
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