Mitsui O.S.K. Lines, Ltd. and Mitsui & Co., Ltd. announced that they have received Approval in Principle (AiP) from the Nippon Kaiji Kyokai (ClassNK; Chairman: Hiroaki Sakashita, Headquarters: Chiyoda-ku, Tokyo) for the design of a large ammonia-powered bulk carrier, says an article published on their website.
Determined the size
MOL and Mitsui jointly determined the size and specifications of the vessel, and both companies entrusted Mitsubishi Shipbuilding Co., Ltd. for design of the vessel. The AiP covers a “210,000 DWT Cape size” bulker, a highly versatile class of ship.
Zero CO2 emissions
The design calls for a main engine fueled by ammonia, which emits no CO2 when burned, thereby achieving zero CO2 emissions during the voyage.
The vessel will also feature two ammonia fuel tanks on deck to maximize the cruising range for various routes and to make the most effective use of cargo space.
Toxicity of ammonia
Furthermore, ClassNK is scheduled to conduct a risk assessment to confirm that no unacceptable risks exist at the basic design stage and to identify items to be considered in the detailed design, which will incorporate safety measures fully taking into account the toxicity of ammonia, and other factors.
Next-generation clean energy source
Amid the trend toward decarbonization, global interest in ammonia as a next-generation clean energy source is growing, and the maritime industry is accelerating its efforts to strategically utilize it as a fuel.
As expectations for ammonia as a marine fuel increase, MOL and Mitsui will promote the expansion of net-zero emission ocean-going vessels and play a role in society’s overall efforts to achieve decarbonization.
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