he project follows a collaboration between Capital, HMD, and LR, paving the way for further orders of LCO2 carriers, a crucial component to supporting the wider carbon capture and storage value chain.

Capital Gas Ship Management (Capital), Hyundai Mipo Dockyard (HD HMD), and Lloyd’s Register (LR) will work together for the construction of two 22,000m3 low-pressure LCO2 carriers, with the capability to carry liquid petroleum gas (LPG) and ammonia (NH3) with ammonia dual fuel readiness to be delivered in 2025 and 2026. 

The two new carriers will be developed for Capital’s gas carrier fleet and when built will transport liquefied carbon dioxide (CO2) under pressure. The 22,000m3 design will allow CO2 from the Carbon Capture and Storage #CCS process to be transported to storage facilities in larger quantities for sequestration or further usage.

The vessels will be equipped with IMO Type C storage tanks which feature lighter scantling that maintains the tanks’ structural integrity. This innovation allows an upscale in the size of the LCO2 carrier, improving storage and transportation, something shipbuilders were not able to do with more conventional materials.


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These ships featuring innovative materials will allow for lighter low-pressure Type C tanks, while a state-of-the-art cargo handling system will be able to accommodate trades in the CO2, NH3, and LPG supply chains.

Carbon Capture Use and Storage (CCUS) can be retrofitted to existing power and industrial plants, allowing for their continued operation. It can tackle emissions in hard-to-abate sectors, particularly heavy industries like cement, steel, or chemical manufacture. The development of a CO2 maritime supply chain will prove essential in the uptake of CCUS.

With Capital advising on operational and commercial matters relating to LCO2 carrier design development, the collaboration builds upon LR’s long-standing relationship with Capital, which among others includes a pilot research project into the use of biofuels on the Capital Ship Management Corp. managed crude tanker ‘Apollonas’ and Capital’s involvement in HD HMD and LR’s project for a 30,000cbm LCO2 tanker.

Following previous work on the LNG and ammonia value chains, this project marks LR and Capital Group’s collaboration in all the major gas value chains including LNG, LPG CO2, and NH3, making Capital Gas Ship Management Corp. the only operator globally with investments in all major gas value chains.


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Andy McKeran, chief commercial officer, LR said: “LR is pleased to enter into this joint venture with Capital and HMD to build two mid-size low-pressure ammonia-ready LCO2 Carriers. This constitutes a key milestone project for the CO2 value chain conveying the right message to hard-to-abate sectors that rely on CCUS for their transition.

Tangible support from ship operators such as Capital will be crucial in turning the dial on decarbonisation in the short to mid-term and we welcome this joint project as a key step forward for the maritime energy transition.”

Miltos Zisis, Managing Director, Capital said: "We are proud to pioneer the future of maritime decarbonization with the order of the first-ever 22,000cbm LCO2 carriers. It is a testament to our proactive stance in the global decarbonization efforts. By leading the way in the CO2 transportation market, we are setting new standards for the industry and reinforcing our strategic vision for a sustainable energy transition fleet.

This ambitious project represents a fusion of diligent planning and innovative execution from our technical team. Our collaboration with Hyundai Mipo Dockyard and LR reaffirms the importance we place on top-tier partners, who reflect our own commitment to excellence”.

Source: Capital Gas


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Issue 88 of Robban Assafina

(Nov./ Dec. 2023)


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