CLASSNK has granted approval in principle to Mitsubishi Shipbuilding and Nippon Yusen Kabushiki Kaisha for a ship that can transport ammonia and liquefied carbon dioxide.

According to a statement from NYK, liquefied carbon dioxide carriers play an important role as one of the means of efficiently transporting captured and liquefied carbon dioxide to storage sites or effective use sites in the carbon dioxide capture, utilisation and Storage value chain.

Ammonia has the potential to be used as a zero-carbon fuel.

Mitsubishi Shipbuilding and NYK Line have been developing the technology for ammonia or liquefied carbon dioxide dedicated carriers; both companies have been collaborating on the technical development of large liquefied carbon dioxide carriers.

With this acquisition of this approval in principle, the two companies said they would use their accumulated knowledge of ammonia and liquefied carbon dioxide to aim for the safe and economical transportation of both substances on the same carrier.

In that case, the carrier could transport ammonia to thermal power plants on the outbound route and then carry carbon dioxide emitted from thermal power plants to storage sites on the return route.