Speciation of the semivolatile hydrocarbon engine emissions from sunflower biodiesel |
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| Authors: | R. Ballesteros, J.J. Hern ndez, L.L. Lyons, B. Caba as,A. Tapia |
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| Affiliation: | aUniversidad de Castilla-La Mancha, Departamento de Mecánica Aplicada e Ingeniería de Proyectos, E.T.S. Ingenieros Industriales (Edificio Politécnico), Avenida Camilo José Cela, s/n, 13071 Ciudad Real, Spain;bUniversidad de Castilla-La Mancha, Departamento de Química-Física, Facultad de Ciencias Químicas (Instituto de Tecnologías Química y Medioambiental), Avenida Camilo José Cela, s/n, 13071 Ciudad Real, Spain |
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| Abstract: | Biodiesel fuel is a very attractive alternative to conventional fuel and its effects in the engine performance and regulated emissions have been widely studied. However, the impact on unregulated individual compounds or chemical characteristics of exhaust emissions is not fully characterized. In this paper, the semivolatile fractions of the exhaust emissions of biodiesel blends and conventional fuel have been speciated. The results show great differences between the compounds emitted, especially regarding oxygenated and aromatic species. Likewise, there is a clear relationship between speciated hydrocarbons and other important emissions such as total hydrocarbons (HC), particulate matter (PM), volatile organic fraction (VOF) and mean particle diameter (Dm) of PM. |
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| Keywords: | Diesel engines Biodiesel Unregulated emissions Hydrocarbon speciation |
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