Tractebel Adopts Adaptive Piping Strategies for Ammonia Terminal at Fos-sur-Mer, France
Tractebel, part of ENGIE, is converting an LNG terminal in Fos-sur-Mer, France, into an ammonia import facility, implementing a new piping strategy that allows for simultaneous LNG operations. The design has shifted from a subsea pipe-in-pipe system to a jetty-mounted single-wall piping system with advanced safety features, including remotely actuated isolation valves and fibre-optic monitoring for leak detection. The project aims for Safety Integrity Level 2 reliability, with plans for ongoing performance evaluations and potential future enhancements such as digital twins and hybrid materials.
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Tractebel, part of ENGIE, is repurposing an LNG terminal at Fos-sur-Mer, France, into an ammonia import facility. The project, developed in the pre-FEED stage by Elengy, required a piping strategy for transferring ammonia from marine vessels to onshore storage while allowing concurrent LNG operations.
Initially, a subsea pipe-in-pipe system was proposed, but as LNG operations are set to cease, the design transitioned to a jetty-mounted single-wall piping system with enhanced safeguards. This new strategy incorporates remotely actuated isolation valves and fibre-optic monitoring for leak detection, maintaining risks as low as reasonably practicable (ALARP).
The system aims for Safety Integrity Level 2 reliability, with ongoing performance evaluations planned for the fibre-optic system during cryogenic cycles. Future developments may involve digital twins and hybrid piping materials to optimize safety and efficiency.
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