APPARATUS FOR TREATING DIESEL EXHAUST GASES

The invention relates to an apparatus for treating diesel exhaust gases comprising a diesel particulate filter. The invention also relates to a method for manufacturing and using such an apparatus. A particulate filter (DFP) according to the invention has a coating, there is used a sol having the av...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MAUNULA, TEUVO, TORKKELL, KEIJO, MATILAINEN, PEKKA, KINNUNEN, TONI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to an apparatus for treating diesel exhaust gases comprising a diesel particulate filter. The invention also relates to a method for manufacturing and using such an apparatus. A particulate filter (DFP) according to the invention has a coating, there is used a sol having the average particle size of the particles below 100 nm, preferably below 50 nm and that a particulate oxidation and that a particulate oxidation catalyst (POC) has been connected in front of the particulate filter in relation to the flow direction of the exhaust gas, which comprises at least partially open channels for leading the exhaust gas. Keksinnön kohteena on dieselpakokaasun käsittelylaitteisto, jossa on dieselpartikkelisuodatin (DPF). Keksinnön kohteena on myös tällaisen laitteiston valmistusmenetelmä ja käyttö. Keksinnön mukaisessa partikkelisuodattimessa (DPF) on pinnoitetta, jonka valmistuksessa on käytetty soolia, jossa olevien partikkelien keskimääräinen partikkelikoko on alle 100 nm, edullisesti alle 50 nm, ja että partikkelisuodattimen eteen pakokaasun virtaussuunnan suhteen on liitetty partikkelihapetuskatalysaattori (POC), jossa on ainakin osittain avoimia kanavia pakokaasun johtamiseksi.