Knutsen NYK Carbon Carriers (KNCC) has received Approval in Principle (AiP) from ClassNK for its design of liquified CO2 carriers. The new carrier can store and transport liquefied carbon dioxide (LCO2) at ambient temperature but elevated pressure, eliminating the need to cool the LCO2 to cryogenic temperatures. This innovation is expected to reduce energy and costs during liquefaction.
NYK, KNCC, and ENEOS Xplora have collaborated to develop a Floating Liquefied Storage Unit (FLSU) that combines cargo tank technology with the Isenthalpic Expansion Cooling & Liquefaction Process. This process liquefies and temporarily stores CO2 collected onshore for transport by LCO2 carrier. The use of elevated pressure and the adoption of a simplified liquefaction process make it possible to install a liquefaction plant on a floating structure.
Tetsuo Yamada, Executive Vice President of ENEOS Xplora, expressed the importance of the FLSU concept in assisting emitters with challenges such as land use constraints and liquefaction costs in the realization of Carbon Capture, Utilization, and Storage (CCUS).
The successful demonstration test in August 2024 led to the AiP from ClassNK for the FLSU concept. This achievement marks a significant step forward in the development of this innovative concept and the societal implementation of CCS. The collaboration between NYK, KNCC, and ENEOS Xplora showcases the commitment to finding sustainable solutions for the transportation and storage of carbon dioxide.
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