Abgasreinigung beim Diesel mithilfe von Partikelfilter

Über Abgaspartikel wird aktuell viel diskutiert. Bei Dieselmotoren bestehen sie weitgehend aus Ruß, also zusammengeballtem Kohlenstoff, sowie Rückständen von Additiven, Metallabrieb usw. Ruß kann bei Temperaturen von 550° C zu gasförmigem CO₂ verbrannt werden. Der restliche Teil kann nicht mehr umgewandelt werden, bleibt als Asche zurück. Die Partikel haben eine Größe von einem hundertstel bis tausendstel Millimeter.

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