Dr. Jianhua Chen graduated with a PhD in Minerals Processing Engineering from Central South University, Changsha, P.R. China. He is currently the Director of Guangxi Key Laboratory of Processing for Non-ferrous Metal and Featured Materials and Professor in the College of Resources, Environment and Materials at Guangxi University in Nanning, P. R. China. Dr. Chen's main research area includes Minerals Processing, Solid Physics of Mineral, Quantum Simulation of Minerals and Molecular design of new flotation reagent.Dr. Zhenghe Xu graduated with a PhD in Materials Science and Engineering in 1990 from Virginia Polytechnic Institute and State University, Virginia, USA. He is currently Dean of College of Engineering at Southern University of Science and Technology in Shenzhen, P.R. China and Teck Professor in the Department of Chemical and Materials Engineering at University of Alberta (on leave), Edmonton, Canada. Dr. Xu's main research area includes Surface and Interfacial Science, Materials and Minerals Processing, in particular in Flotation, and Waste Water Treatment.Dr. Ye Chen graduated with a PhD in Chemical Engineering from Guangxi University, Nanning, P.R. China. She is currently a Professor in the College of Resources, Environment and Materials at Guangxi University in Nanning, P. R. China. Dr. Chen's main research area includes Flotation, Surface and Interfacial Science of Minerals and DFT modeling of Minerals.