Prof. Xuewei Lv is currently a full professor of Chongqing University. He obtained his bachelor and doctorate degrees on Metallurgical Engineering at 2005 and 2010 from Chongqing University. His research interests include extractive metallurgy and mineral processing of complex minerals such as V-Ti magnetite ore and high-alumina iron ore among others. He has published more than 120 peer-reviewed papers and works as a member of academic committee of journals such as International Journal of Mineral, Metallurgy and Materials, Journal of Iron and Steel Research International.Dr. Zhiming Yan obtained his doctorate from Chongqing University, China, in 2019. He spent one year at University of Alabama, USA, as a joint student during his doctoral period. He is now working at WMG, Warwick of University since graduation as a research fellow of metallurgical engineering. His current interests are the physicochemical properties and structure of slags, slag/metalreactions, alternative ironmaking processes, and batteries recycling.