MAN Cryo Announces Hydrogen Projects

MAN Cyro

MAN Cryo, the wholly-owned subsidiary of MAN Energy Solutions, has announced that it is working on a number of projects for liquid-hydrogen fuel-gas-supply systems (LH2 FGSSs) for various-sized vacuum tanks equipped with TCSs (tank connection spaces), and the relevant equipment for safety and function. The nature of the projects and owners remain, as of yet, undisclosed. MAN Cryo manufactures liquid-hydrogen systems at its own facilities in Gothenburg, Sweden.

MAN Cryo developed a marine fuel-gas system for liquefied hydrogen in-house at its headquarters in Gothenburg during 2018 and 2019. The FGSS design concept has been reviewed and approved by several class societies.

The LH2 FGSS system has a scalable design that allows easy adaptation for different shipping types, sizes and conditions, according to a company statement. The design is suited for both above- and below-deck applications, offering ship designers the flexibility to optimize 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 hydrogen installations over the years on land that, in combination with its extensive experience from marine fuel-gas systems for LNG, the company said, have proved invaluable when designing the new system.

Liquefied hydrogen has a temperature of -253 degrees Celsius and is one of the absolutely coldest cryogenic gases, which places system components and materials under extreme stresses. Another design challenge is 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 pointed out that Norway in particular sees a bright future for hydrogen applications as part of its target of achieving zero fossil emissions within the marine sector by 2050.

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