Scientists from Heriot-Watt University have recently announced a groundbreaking research initiative focusing on the thermodynamic behavior of carbon capture, utilization, and storage (CCUS) fluids. In light of increasing global efforts to combat climate change, this two-year project aims to delve into the complex interactions of CO2-rich mixtures that include volatile organic compounds (VOCs). These impurities, often found in captured carbon dioxide streams, significantly influence the performance and efficiency of CCUS systems—a crucial element in achieving sustainable environmental practices.
The primary objective of this project is to refine thermodynamic models that predict how CO2-rich mixtures behave under various conditions. With the rise of interest in carbon capture technology, understanding these thermodynamic properties is of utmost importance for ensuring efficient processing, safe transportation, and effective long-term storage of captured CO2. In industrial applications, the presence of VOCs poses unique challenges. These compounds can alter the thermodynamic landscape, making it necessary for researchers to adapt existing models to cater specifically to these mixtures.
Among the specific VOCs of interest in this study are benzene, toluene, xylene (BTX), and various hydrocarbons. The presence of these substances in the CO2 stream can stem from the original fuel sources and the conditions under which carbon capture occurs. For instance, processes such as combustion can release these volatile substances, which then complicate the purity and predictability of the captured carbon dioxide. Understanding the behavior of these mixtures is essential not only for operational efficiency but also for meeting rigorous environmental compliance standards.
This ambitious endeavor is being jointly funded by TotalEnergies and Equinor, two major players in the global energy sector that recognize the significant role of CCUS in mitigating climate change. The research initiative builds upon Heriot-Watt University’s established expertise in CCUS studies, which has been honed since their first joint industry project in 2011. Under the leadership of Professor Antonin Chapoy, the specialist research group has cultivated collaborations with more than ten leading CCUS operators worldwide. This extensive network of partnerships ensures that the findings from this study will not only contribute to academic knowledge but will also have real-world applications in the energy industry.
Dr. Pezhman Ahmadi, the project’s lead researcher from the Hydrate, Flow Assurance and Phase Equilibria (HFAPE) research group at Heriot-Watt University, emphasizes the critical nature of this investigation. He states that understanding the thermodynamic behavior of these complex fluids is imperative for their effective use in CCUS applications. As CO2 streams often include a variety of impurities, current models that have been effective for pure CO2 cannot be reliably applied to these mixed environments. The project aims to fill the gaps in existing data, particularly concerning VOCs and their effects on fluid behavior.
The implications of this research are profound. Enhanced thermodynamic models will facilitate safer and more efficient processing of CO2-rich mixtures, which can significantly reduce operational risks. Issues such as hydrate formation and the presence of dry ice can lead to costly and hazardous complications in CCUS operations. This project’s outcomes are aimed at not only refining operational procedures but also at lowering costs and increasing efficiency—attributes that are vital for the widespread adoption of CCUS technologies.
In addition to the immediate goals of the study, the research group’s prior accomplishments highlight their strong track record in the field. Recently, their expertise was showcased through significant contributions to Norway’s Northern Lights project, a pioneering initiative aimed at safely storing carbon. The knowledge gained from their past work has been instrumental in ensuring the safe and efficient transportation and storage of CO2 under various operational scenarios.
Professor Chapoy notes the cumulative impact of their research on CCUS operations globally. He points out that their modeling studies have significantly advanced the understanding of the thermodynamic properties of these complex fluids, ultimately enhancing the safety and economic feasibility of CCUS processes. By providing targeted solutions to operational challenges, the research team continues to support major CCUS operators in minimizing risks and boosting the efficacy of their carbon management strategies.
With a commitment to fostering innovation in carbon capture technology, this new research project epitomizes Heriot-Watt University’s dedication to advancing sustainable energy solutions. As global energy demands intensify, and with nations striving toward ambitious net-zero targets, studies like these become increasingly crucial. The collaboration with major energy companies like TotalEnergies and Equinor illustrates the industrial relevance of this academic endeavor and underscores the role of research institutions in driving progress in decarbonization efforts.
As the world shifts towards more sustainable energy practices, the research being conducted at Heriot-Watt University serves as an essential cornerstone in realizing ambitious decarbonization goals. The focus on VOCs, specifically, illuminates a critical aspect of carbon capture technologies that often goes unnoticed but is undeniably vital for innovation. As the project unfolds, the outcomes will have significant implications for both policy and industry practices, marking a notable step forward in global carbon management efforts.
In conclusion, the significance of this study cannot be overstated. Through meticulous research and collaboration, the team at Heriot-Watt University aims to provide a robust understanding of the thermodynamic behaviors of CO2-rich mixtures containing VOCs. With the backing of major industry players, the insights generated from this project will undoubtedly inform future CCUS technologies, driving the world closer to a sustainable and decarbonized future.
Subject of Research: Thermodynamic behavior of carbon capture fluids
Article Title: Advancing Carbon Capture: Insights on Thermodynamic Behaviors of CO2-Rich Mixtures
News Publication Date: October 2023
Web References: Heriot-Watt University
References: None available
Image Credits: Credit: Heriot-Watt University
Keywords
Carbon capture, Thermodynamics, CCUS, VOCs, Sustainability, Carbon management, Environmental compliance, Research innovation, Energy sector, Decarbonization, Fluid dynamics, Industrial collaboration.
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