Kawasaki Heavy Industries, Ltd. has concluded a shipbuilding contract for an 86,700 m3 liquefied petroleum gas (LPG) and liquefied ammonia gas (NH3) carrier powered by LPG fuel for Nippon Yusen Kabushiki Kaisha. This is the fifth LPG/NH3 carrier for Nippon Yusen Kabushiki Kaisha.
The vessel is equipped with separate cargo tanks designed to carry LPG and NH3 at the same time. This contract represents their 80th LPG carrier, 17th LPG-fueled LPG carrier and 10th LPG/NH3 carrier to be constructed by Kawasaki. Kawasaki plans to complete the construction of the vessels at its Sakaide Works in 2026.
Dual fuel transport
The advantage of this dual-purpose vessel is its capability to simultaneously carry LPG, which is already used as a low-carbon energy source, and NH3, a new fuel contributing to the establishment of a decarbonized society. Another feature is the greater capacity of the cargo tanks as compared to conventional carriers, which was achieved without significantly changing the vessel’s length, breadth, or other main specifications.
Fueled by low-sulfur fuel oil and LPG (which significantly reduces the emission volumes of sulfur oxides [SOx], CO2, and other pollutants in the exhaust gases as compared to marine fuel oil), the vessel meets SOx emission standards set by the International Maritime Organization (IMO), as well as the IMO’s Energy Efficiency Design Index (EEDI) Phase 3 regulations, which are applicable to adopt stricter CO2 emission standards in 2022. In addition, the vessel is equipped with a shaft generator that converts the rotational energy of the main engine into electric power. This enables the vessel to stop all the diesel generators under normal sea-going conditions.
To meet environmental standards being tightened globally, and to implement action plans set forth in the Sustainable Development Goals (SDGs) adopted by the United Nations and other initiatives, Kawasaki plans to develop and build more LPG-fueled LPG carriers and other commercial vessels that meet environmental standards, as well as to develop other eco-friendly marine technologies, to contribute to the establishment of a low-carbon/decarbonized society. These products include vessels for transporting liquefied hydrogen, considered to be the next-generation energy source.
| Specifications | |
|---|---|
| Length overall | Approx. 230.00 m |
| Breadth | 37.20 m |
| Depth | 21.90 m |
| Summer draft | 11.65 m |
| Tank capacity | 86,700 m3 |
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Source: Kawasaki
