Complying with the 2020 global sulphur limit
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Typ
Examensarbete på grundnivå
Program
Sjökapten 180 hp (sjökaptensexamen)
Publicerad
2018
Författare
Wiberg, Joel
Fredriksson, Georg
Modellbyggare
Tidskriftstitel
ISSN
Volymtitel
Utgivare
Sammanfattning
International Maritime Organization (IMO) has decided that the global sulphur limit in ship emissions shall be decreased from 3.5% to 0.5% in year 2020. This is a major change for the shipping industry which can have a large economic impact. There are numerous different compliance methods that ship owners can invest in before and after 2020. Two of these compliance methods are scrubber systems and fuel-switching operation. Scrubber systems allow ships to continue operating on HFO (heavy fuel oil, 3.5% sulphur) which is a relatively cheap bunker fuel. Fuel-switching is when ships switch between operating on ULSFO (Ultra low-sulphur fuel oil, 0.5% sulphur) and MGO (Marine Gas Oil, 0.1% sulphur). HFO is cheaper than MGO and ULSFO which makes operative costs lower, but the installation of scrubber systems is associated with a higher capital cost. Ship owners must decide what type of compliance method their vessels will use after 2020. This thesis presents total lifespan costs for scrubber systems and fuel-switching systems on two types of newbuilt vessels after 2020. This thesis also presents break-even number of years for the scrubber, compared to the fuel-switchning compliance method. The results indicate that the scrubber option is always cheaper for a specific container vessel and a tanker vessel after a 15-year lifespan. The break-even point is reached around 3-5 years for both vessels.
Beskrivning
Ämne/nyckelord
Materialvetenskap , Hållbar utveckling , Innovation och entreprenörskap (nyttiggörande) , Marin teknik , Materials Science , Sustainable Development , Innovation & Entrepreneurship , Marine Engineering