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KNCC awarded AiP for liquid CO2 tank system

KNCC KNCC_Ship_image.png
Knutsen NYK Carbon Carriers (KNCC), a new joint venture between the Knutsen and NYK groups, has been awarded Approval in Principle for a high-pressure liquefied CO2 tank system.

DNV Maritime’s CEO, Knut Ørbeck-Nilssen presented the AiP to executives from both owning companies, as well as the CEO of KNCC, Anders Lepsøe, and Per Lothe, a Technical Advisor of the new joint venture.

Carbon dioxide has a boiling point of -78.5°C and is shipped by sea today in small vessels under medium pressure. However, as carbon capture and storage (CCS) technology becomes more widely used in the world’s decarbonisation drive, the carriage of liquid CO2 by sea will become a big business, requiring large ships for maximum transport efficiency.

The tank system, called PCO2, is based on liquid CO2 cargoes shipped at a high pressure of 35-45 bar and temperatures in the range of 0-10°C. It will deploy a cylinder-type containment system similar to that used in the transport of compressed natural gas.

Speaking at the award of the AiP, KNCC’s Lepsøe said: “KNCC is pleased to have reached an important milestone in the commercial and technical development of our company… KNCC is now prepared to take the next step with the PCO2 technology into this emerging shipping segment. Further, our ability to form an integral part of the CCS value chain, and by that contributing to reach global climate goals, is essential both to our owners and KNCC.”