| abstract |
The present invention relates to a ceramic core filter and the particulate matter in the form of soot, ash, metal and metal compounds in the form of soot, ash, metal and metal compounds present in the process vent gas or engine gas, together with hydrocarbons and optionally nitrogen oxides Use of a precious metal catalyst on the permeate side of the filter and/or on the dispersed side of the filter and/or in the wall of the filter, the precious metal-containing catalyst containing 20 and 1000 ppm per filter weight The amount of precious metal between. |