Seabound launches onboard carbon capture technology

UK-based carbon capture company Seabound has introduced its onboard carbon capture technology in partnership with Germany’s Hartmann Group, Panama’s InterMaritime Group, and Heidelberg Materials Northern Europe.

IMAGE: Hartmann-owned cement carrier UBC Cork. Seabound

As part of the partnership, the 5,700 gross tonne (GT) cement carrier UBC Cork, owned by Hartmann and managed by InterMaritime, has been fitted with a compact carbon capture system.

Developed by Seabound, the containerised technology uses a calcium looping process to capture up to 95% of carbon dioxide and 98% of sulphur emissions from the ship’s exhaust. It works by using calcium hydroxide (also known as slaked lime), which reacts with CO2 to form limestone. This limestone is stored onboard and offloaded when the ship returns to port.

The modular, container-based system is easy to install with minimal changes to the vessel and is compatible with all ship types. By separating the capture and post-processing stages, it reduces energy consumption, speeds up installation, and lowers costs compared to conventional liquefied CO2 technology.

The captured carbon, stored safely onboard in the form of limestone, will be offloaded at the Port of Brevik in Norway and repurposed at Heidelberg Materials’ Brevik cement plant.

The project is co-funded by the Eurostars program, which supports innovative small and medium-sized enterprises. Eurostars operates under the Horizon Europe initiative— the EU’s flagship program for research and innovation— and receives support in Cyprus from the Research and Innovation Foundation.

By Tuhin Roy

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