| 摘要 |
PURPOSE:To simultaneously remove hydrocarbon(HC), carbon monoxide(CO) and nitrogen oxide (NOx) which are harmful components discharged from an internal combustion engine such as an automobile. CONSTITUTION:A catalyst for decontaminating exhaust gas is obtained by coating a honeycomb carrier having an integral structure with the catalytic composition which incorporates barium sulfate carried with platinum group metal wherein platinum group metal is carried on barium sulfate, refractory inorganic oxide and rare earth oxide. |
