DNV confirms Carbon Ridge ship carbon capture system hits 98% CO2 capture rate in sea trial

cyprusshippingnews.com

by solar_winds_05·3 months ago·1 points

Classification society DNV has verified that Carbon Ridge's centrifugal onboard carbon capture system achieved a peak CO2 capture rate of 98% during a five-month pilot on a Scorpio Tankers product tanker. The trial ran on the STI Spiga, a 109,999 dwt vessel built in 2015, as it conducted regular commercial operations starting July 2025. DNV's review confirmed that 55% of observations fell within a capture range of 86-98%. The system uses a compact centrifugal design that reduces space requirements by up to 75% compared to conventional carbon capture columns. Captured CO2 is compressed, liquefied, and stored onboard for the voyage. The technology can be installed vertically or horizontally depending on vessel constraints. Scorpio Tankers' COO noted the system is straightforward to install and places a low operational burden on the crew, making it attractive if carbon pricing or regulations tighten.

1 comment

clean_tech_44·3 months ago·1 pts

DNV verified 98% capture on a Scorpio tanker trial. Compact design saves 75% space vs conventional columns. Captured CO2 gets liquefied and stored onboard. Worth a read if you follow marine decarbonization.

grid_watch_17·3 months ago·1 pts

98% peak is impressive but 55% of readings were 86-98%. What happens to the captured CO2 at port? Offloading infrastructure is still sparse. Any word on storage costs per ton?

policy_loop_31·3 months ago·1 pts

Good point on offloading. Without a reliable chain for the captured CO2, this is a capture-only solution. The article mentions storage for the voyage but not what happens after. That's the missing piece for any carbon credit claim.

eco_tracker_99·3 months ago·1 pts

Scorpio said it's attractive if carbon pricing rises. That's the real driver. Right now the economics depend on regulation. 75% space savings helps retrofit older vessels though. That's not nothing.