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MAN Cryo first supplier to develop a marine, liquid-hydrogen fuel-gas system

MAN Cryo, the wholly owned subsidiary of MAN Energy Solutions, has—in close cooperation with Fjord1 and Multi Maritime in Norway—developed a marine fuel-gas system for liquefied hydrogen.

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Multi Maritime’s hydrogen vessel design for Fjord1, including the fully integrated MAN Cryo – Hydrogen Fuel Gas System, has been granted preliminary approval in principle (AIP), by the DNV-GL Classification society. The award is significant in that the system is the first marine-system design globally to secure such an approval.

The system has a scalable design that allows easy adaptation for different shipping types, sizes and conditions. The design is suited for both above- and below-deck applications, offering ship designers the flexibility to optimise their designs in relation to efficiency, and to cargo or passenger space.

MAN Cryo has long experience with cryogenic gases and solutions for storage and distribution. The company has also made numerous hydrogen installations over the years on land that, in combination with its extensive experience from marine fuel-gas systems for LNG, have been invaluable when designing the new system.

Liquefied hydrogen has a temperature of -253 °C and is one of the absolutely coldest cryogenic gases there is, which places system components and materials under extreme stresses. Another design challenge was hydrogen’s explosive nature, with the MAN Cryo engineering team accordingly placing top priority on safety.

Once liquefied, hydrogen is reduced to 1/800th of its volume compared to that of its gas phase, facilitating a more-efficient distribution. As a fuel, hydrogen does not release any CO2 and can play an important role in the transition to a clean, low-carbon, energy system. Liquefied hydrogen can be used to charge batteries for electrical propulsion via fuel-cell technology.

MAN Cryo states that it sees a bright future for hydrogen applications globally as part of its target of achieving zero fossil emissions within the marine sector by 2050. In particular, Norway is currently developing several promising hydrogen applications.

Shipping in particular is facing great challenges with regard to more environmentally-friendly fuel sources, which is why MAN Energy Solutions has argued in favor of what it terms a ‘Maritime Energy Transition’ for some time as the most promising way to achieve a climate-neutral shipping industry.

The term ‘Maritime Energy Transition’ stems from the German expression ‘Energiewende’ and encapsulates MAN Energy Solutions’ call to action to reduce emissions and establish natural gas as the fuel of choice in global shipping. It is also an umbrella covering all MAN Energy Solutions’ activities in regard to supporting a climate-neutral shipping industry.

Launched in 2016 after COP 21, the initiative has since found support within the shipping industry and German politics.

Comments

Lad

Using hydrogen to power container ships and to stop the burning of bunker fuel is a win for clean air and the seas.

SJC

Bio LNG with SOFCs would do it.

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