Right: Mr. Yasunori Kohatake, President & Representative Director, Mitsui E&S Shipbuilding Left: Mr. Masaki Matsunaga, Executive Vice President / Director of Plan Approval and Technical Solution Division, ClassNK

ClassNK has awarded an approval in principle (AiP) for a methanol fuel supply system developed by Mitsui E&S Shipbuilding Co., Ltd.

Methanol is considered one of the promising alternative fuels for decarbonization, and a significant reduction in GHG emissions on a lifecycle basis is expected by using green methanol such as sustainable biomass-derived bio methanol and e-methanol synthesized from CO2 and renewable energy-derived hydrogen.

On the other hand, methanol poses risks in case of leakage due to its characteristics such as toxicity to humans and ease of ignition, necessitating appropriate safety measures. IMO has worked on establishing safety requirements for the use of methanol as a fuel, and "Interim Guideline for the Safety of Ships Using Methyl/Ethyl Alcohol as Fuel, IMO Res. MSC.1/Circ.1621" was released in 2020.

Read More: ClassNK awards AiP for ammonia fuel supply system and ammonia gas abatement system

ClassNK has reviewed the conceptual design of the system developed by Mitsubishi Shipbuilding based on part A of its "Guidelines for Ships Using Alternative Fuels" incorporating contents of the IMO Interim Guidelines. Upon confirming they comply with the prescribed requirements, ClassNK issued the AiP.

ClassNK will continue to contribute to advanced decarbonization initiatives, including safety assessments.

 

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Issue 90 of Robban Assafina

(Mar./April 2024)

 

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