Critical challenges facing low carbon steelmaking technology using hydrogen direct reduced iron

[Formula presented]Wanho Kim is the representative of “TheHighest” company, South Korea. He develops solutions for reducing CO₂ emissions in various technological fields based on chemical metallurgy. He holds a doctoral degree from Yonsei University in materials science and engineering and has worked as a principal researcher at POSCO to reduce CO₂ emissions in steel processing. He has been developing alternative processes using hydrogen to reduce CO₂ emissions in iron and steelmaking and has also participated in the development of related national projects. He currently provides comprehensive consulting in developing sustainable green technologies for various metallurgical industries. [Formula presented]Il Sohn is professor at the Materials Science and Engineering Department in Yonsei University, South Korea. He holds a doctoral degree from Carnegie Mellon University in materials science and engineering and has worked extensively in the steel-related industry and academia for more than 2 decades. He engages in fundamental research of steelmaking and recycling and process optimization. He serves as a member of the National Academy of Engineering of Korea and several editorial boards of renowned metallurgical journals including Metallurgical and Materials Transactions. His profound hope is to make an impact for the sustainability of the industry.