In Japan on April 10, Mitsubishi Shipbuilding received Approval in Principle from ClassNK for the basic design of an onboard carbon capture and storage system intended to capture, liquefy, and store CO₂ from ship exhausts—marking the adaptation of Mitsubishi Heavy Industries Group’s onshore capture technology for maritime use.
The system integrates pretreatment of exhaust gas, liquefaction, and onboard CO₂ storage using core elements of MHI’s “Advanced KM CDR Process™,” which has been deployed in 18 onshore plants as of April 2025. The approval was granted under ClassNK’s “Guidelines for Shipboard CO₂ Capture and Storage Systems,” following a review of the system’s compliance with technical and safety standards.
Mitsubishi Shipbuilding stated it “will accelerate the development of this system to bring it into market,” highlighting its strategy to contribute to global decarbonization efforts in the maritime sector.
Cladene Sharp-Patel, LR’s Global Technical Director, said of a related nuclear shipping initiative: “We bring our extensive history in maritime and nuclear safety, providing a strong foundation for safe, insurable, and scalable nuclear-powered shipping.”
MHI Group is positioning the technology as part of a broader transition strategy and reaffirmed its intent to support maritime emissions reduction through ship-based engineering innovation.
More on the story.
Category: Sustainable Marine Fuels
