2020 Spring International Conference on Mineral Processing and Metallurgical Engineering (MPME-S), to be held, in Xi’an, China, April 24-26, 2020, is one of the special tracks within the 2020 Spring World Congress on Engineering and Technology (SCET 2020). The purpose of the MPME-S 2020 is to bring together researchers, engineers and practitioners interested in the advances and applications of Mineral Processing and Metallurgical Engineering.