A research team led by Dr. Ryi Shin-kun at the Korea Institute of Energy Research (KIER) has unveiled a groundbreaking technology to decompose HFC-134a refrigerant, a potent greenhouse gas, using red mud, an industrial waste product from aluminum production. This innovative catalyst can efficiently break down the refrigerant commonly used in household appliances like air conditioners and refrigerators, achieving an impressive 99% decomposition rate. Red mud, with its high content of iron and aluminum, serves as a key catalyst in this process. The team's focus on leveraging the unique properties of red mud, such as its large surface area and thermal stability, has led to the development of a durable and highly active catalyst for refrigerant decomposition. To enhance the catalyst's performance further, the researchers implemented a heat treatment process that resulted in the formation of composite materials like tricalcium aluminate and gehlenite, which boosted the catalyst's reaction surface area and decomposition efficiency. The study also highlights the formation of a protective shield on the catalyst surface by calcium fluoride, preventing deactivation and ensuring long-lasting performance. With an exceptional decomposition rate of over 99% maintained for 100 hours, the catalyst can be easily produced at scale without raw material costs, offering a sustainable solution for waste recycling and refrigerant decomposition. Dr. Ryi emphasized the environmental benefits of the technology, noting its dual impact in reducing pollution from industrial waste and effectively tackling greenhouse gas emissions. The research, published in the Journal of Industrial and Engineering Chemistry, marks a significant step towards sustainable waste management and green technology innovation in the field of refrigerant decomposition.