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Why Soot is not Alike Soot: A Molecular/Nanostructural Approach to Low Temperature Soot Oxidation

Hagen, F. ORCID iD icon 1,2; Hardock, F. 1,2; Koch, S. 2; Sebbar, N. 1,2; Bockhorn, H. 1,2; Loukou, A. 1,2; Kubach, H. 2; Suntz, R. 3; Trimis, D. 1,2; Koch, T. 2
1 Engler-Bunte-Institut (EBI), Karlsruher Institut für Technologie (KIT)
2 Institut für Kolbenmaschinen (IFKM), Karlsruher Institut für Technologie (KIT)
3 Institut für Technische Chemie und Polymerchemie (ITCP), Karlsruher Institut für Technologie (KIT)


Due to worldwide increasingly sharpened emission regulations, the development of Gasoline Direct Injection and Diesel Direct Injection engines not only aims at the reduction of the emission of nitrogen oxides but also at the reduction of particulate emissions. Regarding present regulations, both tasks can be achieved solely with the help of exhaust after treatment systems. For the reduction of the emission of particulates, Gasoline (GPF) and diesel Particulate Filters (DPF) offer a solution and their implementation is intensely promoted. Under optimal conditions particulates retained on particulate filters are continuously oxidized with the exhaust residual oxygen so that the particulate filter (PF) is regenerated possibly without any additional intervention into the engine operating parameters. The regeneration behavior of PF depends on the reaction rates of soot particles with oxidative reactants at exhaust gas temperatures. The reaction rates of soot particles from internal combustion engines (ICE) often are discussed in terms of order/disorder on the particle nanoscale, the concentration and kind of functional groups on the particle surfaces, and the content of (mostly polycyclic aromatic) hydrocarbons in the soot. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000124115
Veröffentlicht am 16.10.2020
DOI: 10.1007/s10494-020-00205-2
Zitationen: 15
Web of Science
Zitationen: 14
Zitationen: 15
Cover der Publikation
Zugehörige Institution(en) am KIT Engler-Bunte-Institut (EBI)
Institut für Kolbenmaschinen (IFKM)
Institut für Technische Chemie und Polymerchemie (ITCP)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 02.2021
Sprache Englisch
Identifikator ISSN: 0003-6994, 0365-7140, 1386-6184, 1573-1987, 1872-8065, 2212-0939
KITopen-ID: 1000124115
HGF-Programm 34.14.02 (POF III, LK 01) Vergasung
Erschienen in Flow, turbulence and combustion
Verlag Springer-Verlag
Band 106
Heft 2
Seiten 295–329
Vorab online veröffentlicht am 29.08.2020
Externe Relationen Abstract/Volltext
Schlagwörter Soot oxidation, Particulate filters, Soot nanostructure, Soot reactivity, Exhaust gas treatment
Nachgewiesen in Scopus
Web of Science
Relationen in KITopen
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