Influence of future fuel formulations on diesel engine emissions: A joint European study

Brigitte Martin, Paivi Aakko, Derek Beckman, Nicola Del Giacomo, Fulvio Giavazzi

    Research output: Contribution to journalArticleScientificpeer-review

    28 Citations (Scopus)

    Abstract

    Future fuel formulations including classic refining schemes (hydrotreatment) and synthetic blending stocks like Fischer-Tropsch, oligomerate and high cetane linear ethers were tested for their impact on diesel emissions in various engine conditions (transient and cold operations). CO, HC, Aldehyde, Particulate and PAH emissions are highly sensitive to fuel quality whereas NOx emissions are only slightly modified. Very low level of pollutants is obtained with the Fischer-Tropsch fuel. Oligomerisation fuel induces an increase in CO, HC, aldehyde emissions due to its very low cetane number but presents low emissions of particulates and smoke because of its paraffinic composition. Pentyl ether behaves essentially as a high cetane paraffinic hydrocarbon. The relationships between fuel parameters and emissions were also assessed: CO, HC and aldehyde emissions depend on the cetane number. Particulates, IOF, smoke and PAHs are controlled by aromatic content and density. Density also controlled NOx emissions but with far less variation. Fuel quality can also help to reach a better NOx/particulates trade-off with EGR. Tall-oil methyl ester containing fuel offers a good potential for low emissions because of the beneficial effect of oxygen on particulates.

    Original languageEnglish
    Article number972966
    JournalSAE Technical Paper Series
    DOIs
    Publication statusPublished - 1 Dec 1997
    MoE publication typeA1 Journal article-refereed
    EventInternational Fall Fuels and Lubricants Meeting and Exposition - Tulsa, OK, United States
    Duration: 13 Oct 199716 Oct 1997

    Fingerprint

    Diesel engines
    Aldehydes
    Antiknock rating
    Polycyclic aromatic hydrocarbons
    Smoke
    Ethers
    Tall oil
    Oligomerization
    Refining
    Esters
    Hydrocarbons
    Engines
    Oxygen
    Chemical analysis

    Cite this

    Martin, Brigitte ; Aakko, Paivi ; Beckman, Derek ; Del Giacomo, Nicola ; Giavazzi, Fulvio. / Influence of future fuel formulations on diesel engine emissions : A joint European study. In: SAE Technical Paper Series. 1997.
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    abstract = "Future fuel formulations including classic refining schemes (hydrotreatment) and synthetic blending stocks like Fischer-Tropsch, oligomerate and high cetane linear ethers were tested for their impact on diesel emissions in various engine conditions (transient and cold operations). CO, HC, Aldehyde, Particulate and PAH emissions are highly sensitive to fuel quality whereas NOx emissions are only slightly modified. Very low level of pollutants is obtained with the Fischer-Tropsch fuel. Oligomerisation fuel induces an increase in CO, HC, aldehyde emissions due to its very low cetane number but presents low emissions of particulates and smoke because of its paraffinic composition. Pentyl ether behaves essentially as a high cetane paraffinic hydrocarbon. The relationships between fuel parameters and emissions were also assessed: CO, HC and aldehyde emissions depend on the cetane number. Particulates, IOF, smoke and PAHs are controlled by aromatic content and density. Density also controlled NOx emissions but with far less variation. Fuel quality can also help to reach a better NOx/particulates trade-off with EGR. Tall-oil methyl ester containing fuel offers a good potential for low emissions because of the beneficial effect of oxygen on particulates.",
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    Influence of future fuel formulations on diesel engine emissions : A joint European study. / Martin, Brigitte; Aakko, Paivi; Beckman, Derek; Del Giacomo, Nicola; Giavazzi, Fulvio.

    In: SAE Technical Paper Series, 01.12.1997.

    Research output: Contribution to journalArticleScientificpeer-review

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