en.Wedoany.com Reported - DNV (Det Norske Veritas) has published Recommended Practice DNV-RP-0698, establishing a unified performance measurement and verification framework for ship-based carbon capture and storage systems.

Approximately 90% of the global operating fleet still relies entirely on traditional fossil fuels, making onboard carbon capture (OCCS) a transitional emission reduction solution for existing vessels. The International Maritime Organization has also initiated the development of relevant formal guidelines, targeting completion by 2028.

Based on the mass balance principle, this recommended practice defines key performance indicators such as absolute capture rate, captured CO₂ volume, residual atmospheric emissions, and total capture efficiency. The framework is technology-neutral and applicable to pre-combustion capture, post-combustion capture, oxy-fuel combustion, and other alternative technologies. To ensure market trust, the practice introduces a structured third-party verification process covering system documentation, measurement setup assessment, performance calculation, and uncertainty evaluation.

DNV states that establishing a common technical language helps reduce investment risks during the design phase, enabling shipyards, manufacturers, and shipowners to evaluate performance based on clear methodologies and make deployment decisions for newbuild and retrofit projects.

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