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Anders, L. ; Schade, J. ; Rosewig, E.I. ; Schmidt, M. ; Irsig, R.* ; Jeong, S. ; Käfer, U. ; Gröger, T.M. ; Bendl, J. ; Saraji-Bozorgzad, M. ; Adam, T. ; Etzien, U.* ; Czech, H. ; Buchholz, B.* ; Streibel, T. ; Passig, J. ; Zimmermann, R.

Polycyclic aromatic hydrocarbons as fuel-dependent markers in ship engine emissions using single-particle mass spectrometry.

Environ. Sci. - Atmospheres, DOI: 10.1039/d4ea00035h (2024)
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We investigated the fuel-dependent single-particle mass spectrometric signatures of polycyclic aromatic hydrocarbons (PAHs) from the emissions of a research ship engine operating on marine gas oil (MGO), hydrotreated vegetable oil (HVO) and two heavy fuel oils (HFO), one with compliant and one with non-compliant fuel sulfur content. The PAH patterns are only slightly affected by the engine load and particle size, and contain sufficient dissimilarity to discriminate between the marine fuels used in our laboratory study. Hydrotreated vegetable oil (HVO) produced only weak PAH signals, supporting that fuel residues, rather than combustion conditions, determine the PAH emissions. The imprint of the fuel in the resulting PAH signatures, combined with novel single-particle characterization capabilities for inorganic and organic components, opens up new opportunities for source apportionment and air pollution monitoring. The approach is independent of metals, the traditional markers of ship emissions, which are becoming less important as new emission control policies are implemented and fuels become more diverse.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Enhanced Multiphoton Ionization; Long-range Transport; Source Apportionment; Spectral Signatures; Size Distributions; Aerosol Emissions; Air-pollution; Diesel-engine; Mixing State; Time
Language english
Publication Year 2024
HGF-reported in Year 2024
ISSN (print) / ISBN 2634-3606
e-ISSN 2634-3606
Journal Environmental Science: Atmospheres
Publisher Royal Society of Chemistry (RSC)
Publishing Place Thomas Graham House, Science Park, Milton Rd, Cambridge Cb4 0wf, Cambs, England
Reviewing status Peer reviewed
Institute(s) Cooperation Group Comprehensive Molecular Analytics (CMA)
POF-Topic(s) 30202 - Environmental Health
Research field(s) Environmental Sciences
PSP Element(s) G-504500-001
Grants Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)
Helmholtz Association
German Federal Ministry for Economic Affairs and Climate Action
DOI 10.1039/d4ea00035h
WOS ID 001235566500001
Scopus ID 85194944701
Erfassungsdatum 2024-06-10
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