Dr. Hongwei Liu is an Associate Professor and Doctoral Supervisor at the School of Minerals Processing and Bioengineering at Central South University. He received his BS from Southwest Forestry University (2003), his MSc from Yunnan University (2006), and his PhD from Central South University (2013). He has long been engaged in theoretical and applied research in resource microbial development and utilization, environmental engineering, low-grade polymetallic mineral resources, and comprehensive utilization of secondary resources.