On-board Characterization of Exhaust Particles Emitted by a Modern Cruise Ship Applying a Scrubber

Niina Kuittinen, Panu Karjalainen, Timo Murtonen, Matthew Bloss, Kati Lehtoranta, Päivi Aakko-Saksa, Hilkka Timonen, Topi Rönkkö

    Research output: Contribution to conferenceConference AbstractScientificpeer-review


    Globally, ship exhausts represent a significant part of emissions from the transport sector, and the particles emitted both contribute to impaired air-quality and have climatic effects (eg. Eyring et al. 2010, Sofiev et al. 2018). According to the global sulphur cap set by the International Maritime Organization, from 2020 onwards, ships are forbidden to burn fuel with sulphur content over 0.5%, unless they apply scrubbers for SO2 abatement. Earlier, it has been observed, that scrubbers can reduce the emitted particle number (PN) by 92% and solid PN by 48% (Fridell & Salo, 2014). However, when considering solid particle number over 23 nm, regulated by the EU for inland waterway vessels, the reduction in scrubber was not as clear (Lehtoranta et al., 2019). In this study, size-dependent reduction of ship engine exhaust PN over a scrubber is considered in closer detail.
    Original languageEnglish
    Number of pages1
    Publication statusPublished - Aug 2019
    MoE publication typeNot Eligible
    EventEuropean Aerosol Conference, EAC 2019 - Gothenburg, Sweden
    Duration: 25 Aug 201930 Aug 2019
    https://www5.shocklogic.com/scripts/jmevent/programme.php?Client_Id=%27KONGRESS%27&Project_Id=%2719371%27&System_Id=1 (Program & Abstracts)


    ConferenceEuropean Aerosol Conference, EAC 2019
    Internet address


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