| abstract |
filter for filtering particulate matter from a low-burning exhaust gas, and method for producing a filter. a method of producing a filter for filtering particulate matter from exhaust gas emitted from a low-combustion internal combustion engine, the filter of which comprises a porous substrate having inlet and outlet surfaces, in which the inlet surfaces are separated from the exit surfaces by a porous structure containing pores of a first medium pore size, where the entrance surfaces comprise a bridge network comprising interconnected particles of refractory material through the pores of the porous structure, the method of which comprises the step of contacting surfaces of inlet of the filter substrate with an aerosol comprising refractory material in the form of dry powder. the invention also relates to a filter obtainable by such a method. |