| 简介 |
A particulate filter (1) comprising a porous ceramic filter substrate and a catalytic phase, such that the catalytic phase comprises an oxide of at least one rare earth and/or at least one transition metal and an oxide of the perovskite structure of the formulation
1-The x-z B
z A x
C O 3 or1-x-z Bz A xC1-y By O3, with : -A selected from alkali metals, alkaline earth and transition, -C selected from Mn, Fe, The, cu and Mo, or any combination between at least two of these elements, being -B Ag. |
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