Yonsei University · Engineering
Professor Yunsung Yoo's research lab specializes in carbon capture and utilization (CCU) technologies, focusing on developing efficient and sustainable methods for CO₂ capture from industrial flue gas using novel absorbents and wastewater-based systems. The lab investigates thermodynamic and kinetic properties of advanced absorbents—such as ammonia-amino acid mixtures with corrosion inhibitors—to enhance CO₂ absorption efficiency and reduce environmental impact. A key research direction involves the conversion of captured CO₂ into valuable metal carbonate salts through controlled carbonation processes, particularly using industrial byproducts like refined-salt plant wastewater. The lab also emphasizes process optimization through pH control and the application of amine-based absorbents for selective ion capture and mineral carbonation.
Figures are computed from collected data and may differ slightly.
The wet absorption method is currently one of the key technologies employed for the capture of carbon dioxide. In this method, the selection of an optimal absorbent is of particular importance. As such, we herein propose a series of novel and efficient absorbents based on a 7 wt % NH3 solution containing 3 wt % amino acid (β-alanine or l-arginine) and 1 wt % corrosion inhibitor (imidazole or 1,2,3-benzotriazole). To investigate the thermodynamic properties including density, viscosity, diffusivi
Abstract In this study, carbon capture and utilization (CCU) technology was used to capture CO 2 in simulated industrial flue gas using industrial wastewater from a refined‐salt production plant. Also, captured CO 2 was converted to metal carbonate salt which has a potential to be used as valuable product in another industry. In order to increase the purity of the products, the target ions were first separated from the industrial wastewater using pH control. And, three amine‐type absorbents were
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