CATALYST COATING METHOD OF DIESEL PARTICULATE FILTER AND DIESEL PARTICULATE FILTER THEREBY

摘要

The present invention relates to a diesel particulate filter (DPF) and a catalyst coating method thereof comprising: a pore coating step for coating a DPF wall with a catalyst or a wash coat and distributing the catalyst or the wash coat to the pores formed on the DPF wall; and a surface coating step for preventing soot from infiltrating into the pores by coating the surface of the DPF wall with the catalyst or the wash coat.;COPYRIGHT KIPO 2014