In a pivotal stride towards enhancing carbon capture and transport, a recent study published in the journal ‘Energies’ sheds light on the intricate challenges of loading low-pressure liquid carbon dioxide carriers (LCO2Cs). As global initiatives to mitigate climate change intensify, the demand for efficient CO2 transportation is skyrocketing. This research, led by Soon-Kyu Hwang from Proteus TFT at Hanwha Ocean in Seoul, addresses the pressing need for stable pressure and temperature control during the cargo loading process, a critical component in the carbon capture, utilization, and storage (CCUS) chain.
The study emphasizes the significance of maintaining optimal operating conditions to prevent dry ice formation, a risk that can lead to severe operational challenges such as valve blockages. “Our research highlights the necessity of a robust control strategy to ensure safe and efficient loading of LCO2, which is essential for the viability of CCUS technologies,” Hwang stated. By employing advanced HYSYS dynamic simulations, the team evaluated three distinct control strategies, revealing that effective pressure management is vital for preventing temperature drops below the CO2 triple point—a critical threshold where carbon dioxide can transition into solid dry ice.
Among the strategies tested, Case B, which utilized a remote pressure-reducing valve in conjunction with a control valve, emerged as the most reliable method. This approach not only maintained stable pressure but also effectively mitigated the risks associated with dry ice formation. Hwang noted, “The findings underscore how innovative control systems can enhance the operational efficiency of LCO2Cs, making them a more viable option for large-scale carbon management.”
The implications of this research extend far beyond the laboratory. As countries ramp up their commitments to decarbonization, the ability to transport captured CO2 safely and efficiently becomes paramount. This study positions LCO2Cs as a cornerstone of future carbon management strategies, potentially unlocking new commercial opportunities within the energy sector. The advancement of low-pressure systems could lead to reduced infrastructure costs and improved scalability for CCUS projects, making it an attractive solution for stakeholders in the energy landscape.
With the CCUS and onboard carbon capture system (OCCS) industries poised for growth, Hwang’s work not only addresses existing challenges but also paves the way for future advancements in the field. As the global energy sector increasingly leans towards sustainable practices, the insights gained from this research could catalyze a shift towards more efficient carbon transport solutions.
For those interested in exploring the full findings of this study, Hwang’s work is accessible through his affiliation at Proteus TFT, Hanwha Ocean. The research serves as a timely reminder of the innovative approaches needed to meet the challenges of climate change head-on, reinforcing the crucial role of technology in shaping a sustainable future.