Prof. Congren Yang (1985. 03-) received B.Sc. (2008), M.Sc. (2011), and Ph.D. (2015) degrees in minerals processing engineering from the School of Minerals Processing and Bioengineering, Central South University (Changsha, China). His doctoral supervisor is Prof. Wenqing Qin. Prof. Yang was a postdoctoral fellow at the School of Environment of Tsinghua University (Beijing, China) in 2015.12-2018.06. Since 2018, he has been working at Central South University as an associate professor. His research interest focuses on mineral processing, hydrometallurgy, electronic waste treatment, and metals recycling and sustainability. Prof. Yang published over 20 peer-reviewed journal articles, and applied more than 1o patents.