Japanese trio to study CO2 liquefaction and storage process

Japanese shipping company NYK Line, its subsidiary NYK Carbon Carriers (KNCC) and oil company JX Nippon Oil & Gas Exploration Corporation (JX) have agreed to jointly study the enhancement of carbon dioxide (CO2) liquefaction and storage processes using NYK Line’s cargo tank cylinders (CTC).

PHOTO: KNCC’s demonstration facility in Norway. NYK Line

Cargo tank cylinders are specialised containers used for transporting various substances, typically gases or liquids, in bulk. These cylinders are designed to withstand the pressures and conditions associated with transportation, ensuring the safe and efficient delivery of the cargo.

This study aims to optimise the CO2 transportation system using CTC by utilizing the characteristics of the EP (elevated pressure) method, which involves storing and transporting liquefied CO2 at higher temperatures and pressures than conventional methods.

The feasibility of the system will be analysed at KNCC’s demonstration facility in Norway in the later half of this year, before potential implementation in a real-world scenario.

The companies expect the study to solve carbon capture, usage and storage (CCUS) value chain issues, including “capital investment, energy consumption, and environmental impact.”

The CO2 captured and transported can also be used as a feedstock for the production of renewable marine fuels like synthetic methanol.

By Tuhin Roy

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