Dr. Haijun Zhang studied mineral engineering at the China University of Mining and Technology and completed his Ph.D. in 2009. Dr. Haijun Zhang is currently a professor at the School of Chemical Engineering and Technology of the China University of Mining and Technology. In 2022, Dr. Haijun Zhang won the National Science Foundation for Distinguished Young Scholars of China. His research focuses on mineral flotation and resource utilization of coal-based solid waste.