Efficient material design for diesel particulate filters |
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Authors: | Schaefer-Sindlinger A. Lappas I. Vogt C. D. Ito T. Kurachi H. Makino M. Takahashi A. |
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Affiliation: | 1.NGK EUROPE GMBH, Westerbachstra?e 32, 61476, Kronberg im Taunus, Germany ;2.NGK Insulators, Ltd., 2-56 Suda-cho, Mizuho, Nagoya, 467-8530, Japan ; |
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Abstract: | This paper will give an overview about the filter development for diesel particulate emission control in automotive applications. The material development for passenger car diesel particulate filters led to new materials like silicon carbide while for heavy duty applications still Cordierite plays a major role. But in the future other materials might also be used for passenger cars. This paper will show the basic difference between both applications and describe the material design in terms of filter properties (base material, back pressure aspects, filtration efficiency, coating impact). Current application on vehicles with catalysed soot filters (CSF) with and without oxidation catalyst will be presented. Furthermore an outlook will be given on materials for catalysed soot filters for the future. |
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Keywords: | diesel particulate filter filter design filter materials pressure drop filtration efficiency catalyst impact regeneration thermal properties |
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