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The comparison of particle oxidation and surface structure of diesel soot particles between fossil fuel and novel renewable diesel fuel

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Author

Summary, in English

Conventional fossil diesel fuel and renewable diesel fuel based on hydrotreated vegetable oils (HVO) were compared regarding the oxidation characteristics of the generated soot particulate. The comparison was performed by utilizing a high-temperature oxidation tandem differential mobility analyser in which monodisperse soot aerosol was first selected and then heated in a high-temperature furnace. The particle size reduction caused by oxidation during the furnace treatment was then measured as a function of furnace temperature. The results indicate that soot oxidation is very similar between the studied fuels. This is supported by the obtained HR-TEM images and EELS-spectra which were practically indistinguishable between different fuels and engine conditions. The similar oxidation properties and surface structure between fossil and HVO-based diesel fuels imply that the oxidative aftertreatment devices designed for fossil diesel should work well also with the studied renewable diesel fuel. (C) 2010 Elsevier Ltd. All rights reserved.

Publishing year

2010

Language

English

Pages

4008-4013

Publication/Series

Fuel

Volume

89

Issue

12

Document type

Journal article

Publisher

Elsevier

Topic

  • Chemical Sciences

Keywords

  • Renewable diesel fuel
  • Soot
  • Oxidation

Status

Published

ISBN/ISSN/Other

  • ISSN: 1873-7153