A ship-based carbon capture (SBCC) prototype developed in the Netherlands by Carbotreat was installed on board the Seapeak Arwa, an LNG-powered carrier chartered by TotalEnergies, in September 2023.

The video that follows describes details of the first capture demonstration campaign, and expands on related studies carried out by the EverLoNG CCUS project.

This major milestone marked the first deployment anywhere of a ‘full-chain’ on-board system comprising capture, liquefaction and storage facilities.

This first testing campaign will run for 1,000 hours during which the unit is expected to capture up to 250kg of CO2 per day.

Initial results are very promising, showing that capture rates of up to 85% are achievable.

As well as assessing the impact of SBCC on the ship’s infrastructure and emissions, EverLoNG researchers are studying the effects of motion on CO2 capture rates and of exhaust gas impurities on capture solvent performance.

With a dedicated operator on board to oversee operation of the system, the prototype and vessel designs also enable remote performance monitoring and supervision from shore. This enables a safer and more efficient learning campaign that is providing real-time data that will be shared publicly.

Following the Seapeak Arwa trial, the SBCC unit will be removed and installed on board the SSCV Sleipnir from Heerema Marine Contractors, where a second campaign of around 500 hours will take place.

The second campaign will see the full CCUS chain in operation. The captured CO2 will be stored on board as a liquid in a container. The container will then be offloaded, and the CO2 transported to an industrial site for utilisation, or stored permanently in the geo-logical subsurface.

Video credit: EverLoNG