GTT receives DNV approvals for maritime liquid hydrogen designs

French naval engineering company, Gaztransport & Technigaz (GTT) has been granted two Approvals in Principle (AIP) from classification society DNV, offering hope of progressing the use of liquid hydrogen in the maritime industry.

GTT revealed today (July 28) the AiPs cover the design of a liquid hydrogen membrane type containment system, and for the preliminary design of a liquid hydrogen carrier vessel.

Coming as part of an agreement with Shell, announced in February 2022 to develop scalable and safe liquified hydrogen shipping technologies, the approvals set the course for the next stages of the project.

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