Aragon's Blue Ammonia FPSO Receives ABS Approval
Aragon's Blue Ammonia FPSO Receives ABS Approval, Promises Lower Costs and Quadrupled Gas Monetization

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Aragon's Blue Ammonia FPSO Receives ABS Approval, Promises Lower Costs and Quadrupled Gas Monetization

Updated on Sep 05, 2025, 04:00 AM IST
Written & Edited by Parvathy S

Aragon, part of Seatrium, has secured approval in principle (AiP) from classification society American Bureau of Shipping (ABS) for its blue ammonia floating production, storage, and offloading (FPSO) unit. The company celebrates this milestone for the FPSO Bluebell, which is designed to lower the cost of zero-carbon ammonia while quadrupling gas monetization.

Technical Design and Carbon Capture Capabilities

The FPSO Bluebell is designed to utilize a natural gas reforming process with greater than 95% carbon capture to produce refrigerated blue ammonia for global export. The vessel incorporates multiple advanced onboard process technologies to achieve this ambitious carbon capture rate. The main onboard process technologies include natural gas pre-treatment and oxygen-blown autothermal reforming (ATR), alongside integrated CO2 capture and liquefaction systems.

The unit also encompasses Syngas purification and the Haber-Bosch ammonia process, providing a comprehensive production chain aboard the floating facility. Additional technical components include onboard air separation units specifically designed for floating installations, which generate pure oxygen and nitrogen with liquid buffer storage. The vessel also features the generation of ultra-pure water from seawater for reforming processes, enabling self-sufficient operation in offshore environments.

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Strategic Positioning and Energy Transition Goals

The FPSO Bluebell is envisioned to provide a flexible, low-carbon alternative, leveraging natural gas with advanced CO2 capture technologies to accelerate the energy transition at a competitive cost. This positioning reflects Aragon's broader commitment to driving innovation in both green and blue ammonia production.

Aragon also operates the FPSO Amalia, which is perceived to deliver a sustainable, green ammonia solution powered entirely by renewable energy, supporting the global shift to clean fuels. This dual approach demonstrates the company's comprehensive strategy in the ammonia production sector.

Industry Developments in Ammonia FPSOs

Among energy transition initiatives, ammonia is becoming popular when it comes to FPSOs, as illustrated by recent industry developments. MODEC and Toyo Engineering Corporation (TOYO) have also received AiP for an FPSO design with onboard carbon capture technology, indicating growing industry momentum in this sector.

Multiple players took ammonia steps last year, demonstrating widespread industry interest. Samsung Heavy Industries (SHI) and Lloyd's Register (LR) joined forces to develop an FPSO for green ammonia production. Additionally, McDermott and BW Offshore collaborated to enhance the technical and commercial viability of offshore blue ammonia production.

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