The particulate filter used in diesel passenger cars is designed to clean exhaust gases of pollutants and soot particles. Particulate filters are installed in all new cars to meet the EURO 5 standard. Particulate matter accumulating in the filter causes it to gradually clog and lose engine efficiency. Is it possible to effectively clean the filter during operation, or is replacement the only alternative? Are diesel passenger cars with a particulate filter suitable for city driving? These questions are answered in this article.The particulate filter (DPF – Diesel Particulate Filter) is installed in the exhaust systems of diesel engines. Its task is to clean exhaust gases of particulate matter (soot). The filter has the form of a spatial structure with a very large total wall surface area. Particulate matter settles on porous walls or fibers made of metal or ceramic materials. Particulate matter accumulates in the filter, which over time causes it to gradually clog and lose efficiency. (…)
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Source: Logistyka Magazine
Diesel Particulate Filter (DPF) – cleaning during operation – PDF file for download