China carries out ship-to-ship transfer, unloading of liquid CO2 achieving a milestone as it now has full operational chain for the process via maritime systems.
China has successfully carried out a ship-to-ship transfer and unloading of liquid carbon dioxide at Yangshan Port in Shanghai, according to a report by Science and Technology Daily.
This achievement represents a major breakthrough, signaling that China has now completed the full operational chain for carbon dioxide capture, liquefaction, storage, transfer, and reuse via maritime systems.
The operation utilized an advanced shipboard carbon capture system developed by an institute affiliated with China State Shipbuilding Corporation Limited (CSSC). This system boasts a capture efficiency exceeding 80% and delivers carbon dioxide at a purity level of 99.9%.
The ability to transport liquid carbon dioxide safely and efficiently is vital for the broader implementation of maritime carbon capture technologies on a commercial scale.
The process of ship-to-ship liquid CO₂ transfer is highly technical, requiring exact vessel alignment, intricate pipeline setups, and careful pressure regulation. Even small operational errors could lead to safety hazards, noted Su Yi, a manager overseeing environmental protection systems at the institute.
Unlike the traditional ship-to-shore method, ship-to-ship transfer enables quicker service for vessels arriving from various marine routes, improving flexibility and efficiency.
This development follows China’s launch of its first offshore Carbon Capture, Utilization, and Storage (CCUS) project in May in the Pearl River Mouth Basin in southern China.
CCUS is increasingly viewed as a key low-carbon strategy to support cleaner and more efficient use of fossil fuels in the energy sector.
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