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Comparative Analysis of SOx Emission-Compliant Options for Marine Vessels from Environmental Perspective

  • Jeong, Byongug (Department of Naval Architecture, Ocean and Marine Engineering, University of Strathclyde)
  • 투고 : 2017.11.15
  • 심사 : 2018.02.14
  • 발행 : 2018.02.28

초록

With growing concerns over air pollutions attributed to shipping activities, the international maritime organization has enacted a series of stringent regulations. In particular, MARPOL Annex IV Reg. 16 requires sulfur contents from exhaust gases of marine engines to be progressively reduced. To comply with this regulation, three feasible options have been introduced: using LNG as a marine fuel, using heavy fuel oil with the scrubber system, and using the marine gas oil (a type of low sulfur fuel oil). For the objectives of this paper, the holistic environmental impacts pertinent to these options were investigated and compared in ways that the flows of energy and emission were tracked and quantified through the life cycle of the ship. Research findings obtained from a case study with a large bulk carrier showed that the use of the scrubber system to purify heavy fuel oil would produce relatively fewer amounts of emissions attributing to global warming than other two options. On the other than, the use of LNG would be the way to operate the ship in a cleaner way in terms of reducing the acidification, eutrophication, and photochemical effects. Throughout the analysis, the excellence of life cycle assessment was proven to shift the environmental impact of marine systems from the short-term view to the long-term one.

키워드

참고문헌

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피인용 문헌

  1. Life Cycle Assessment of LNG Fueled Vessel in Domestic Services vol.7, pp.10, 2019, https://doi.org/10.3390/jmse7100359