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Bunker Risk Analysis and Risk Management

In: Shipping Derivatives and Risk Management

Author

Listed:
  • Amir H. Alizadeh

    (Cass Business School, City University)

  • Nikos K. Nomikos

    (Cass Business School, City University)

Abstract

In general, ships use fuel oil (bunker) for propulsion, and diesel oil for manoeuvring in ports and for electricity generators. Fuel oil is essentially the ‘residual oil’ that was originally defined as whatever liquid was left behind in the petroleum distillation unit after the removal of more valuable products such as kerosene, diesel and naphtha (Percy, et al., 1996). There are two basic grades of bunker fuel, heavy fuel oil (HFO) 180 centistokes (cst) and the more widely used HFO 380 cst.1 Centistokes is the unit of measurement of fuel viscosity and the distinction between the two grades is the distillate content: Grade 180 cst has a 7 per cent to 15 per cent distillate content, while Grade 380 cst has 2 per cent to 5 per cent distillate content (Visweswaran, 2000). The higher the distillate content, the more energy the fuel has; 60 per cent of the world bunker trade is in HFO380cst while HFO180cst and other grades account for about 30 per cent, with the remaining 10 per cent of world trade being in marine diesel oil. Bunker fuel is also classified according to its sulphur content into low (1 per cent) and high (3.5 per cent) sulphur. Low-sulphur fuel oils are less corrosive and hence more expensive compared to high-sulphur fuels, even though the corrosion process caused by high-sulphur fuel can be counteracted by using special cylinder lubricants. Although recent technological advances have enabled ships to use lower-grade bunkers more efficiently, high-grade bunkers are still used by more sophisticated ships, especially cruise ships and fast ferries.

Suggested Citation

  • Amir H. Alizadeh & Nikos K. Nomikos, 2009. "Bunker Risk Analysis and Risk Management," Palgrave Macmillan Books, in: Shipping Derivatives and Risk Management, chapter 10, pages 338-362, Palgrave Macmillan.
  • Handle: RePEc:pal:palchp:978-0-230-23580-9_10
    DOI: 10.1057/9780230235809_10
    as

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