As the specter of climate change looms ever larger, propelled by the relentless rise of industrial carbon dioxide emissions, the global community stands at a critical juncture. Urgent calls for innovative solutions reverberate, transcending simple consumption cutbacks. Amidst this backdrop, the field of carbon capture emerges as a beacon of hope, offering a path to mitigate the environmental impact by intercepting CO2 before its release into our atmosphere. This realm of scientific endeavor, pivotal in our collective quest to safeguard the planet, underscores the importance of technological breakthroughs in securing a sustainable future.

In groundbreaking research led by Professor Lidija Šiller and Harold Orendi,  also including Kevin Joby at the School of Engineering, Newcastle University, UK, an advanced approach to carbon capture technology has been developed, leveraging the catalytic capabilities of nickel nanoparticles to significantly boost the efficiency of monoethanolamine, a key player in the carbon capture game. Featured in the Journal of CO2 Utilization, this work marks a pivotal advancement in enhancing how carbon dioxide is absorbed into solutions, alongside a comprehensive exploration of how these solutions withstand over time and under stress.

The research group embarked on an exploration to evaluate the performance of monoethanolamine across various conditions, with a focus on the enhancement brought about by nickel nanoparticles. “Our findings suggest that nickel nanoparticles can significantly enhance the CO2 absorption rate in MEA solutions,” noted Professor Šiller and Harold Orendi, pointing to a potential game-changer in the realm of carbon capture.

Delving into the specifics, this exploration examined the reaction of these solutions to carbon dioxide under varying conditions, revealing a notable improvement in absorption rates, particularly at cooler temperatures. “At cooler conditions, we observed a marked increase in CO2 absorption rates when nickel nanoparticles were present,” Professor Šiller and Harold Orendi shared, underscoring the importance of temperature in maximizing efficiency.

Further revelations from this work showed that while nickel nanoparticles offer a significant boost in absorption rates, they also contribute to a quicker breakdown of the monoethanolamine solution. The research group shows how the solution degrades over time when exposed to high temperature and oxygen, employing advanced techniques to identify the byproducts of this degradation. Additionally, with oxygen, the color of the solution is noticeably darker.

“The balance between enhanced CO2 capture efficiency and solvent longevity is a key area for future exploration,” Professor Šiller and Harold Orendi remarked, acknowledging the intricate balance between advancing carbon capture technology and maintaining its sustainability. In conclusion, this initiative not only opens new avenues for making carbon capture more efficient but also emphasizes the critical need for continuous innovation in the field. As we forge ahead in addressing the challenges posed by climate change, the efforts of Professor Šiller, Harold Orendi, and Kevin Joby stand as a testament to the potential of scientific ingenuity to forge a cleaner, more sustainable future.


Harold W. Orendi, Kevin Joby, Lidija Šiller, “Enhancements of monoethanolamine CO2 absorption rate and degradation in the presence of nickel nanoparticles catalysts”, Journal of CO2 Utilization, 2024.