Key Factors and Evaluation Model of Valuable Metal Separation in Low-Concentration Smelting Slag.

ABSTRACT: The low concentration of valuable metals in smelting slags poses a significant challenge for separation. Despite the effective separation achieved by current pyrometallurgical or hydrometallurgical methods, the intricate mineralogy of slag and numerous leaching factors present considerable challenges in selecting the appropriate separation techniques and parameters for efficient and rapid extraction. In this study, copper slag flotation tailings (CSFT) were taken as an example, and the microexistence forms of valuable metals were analyzed through XRD and SEM-EDS. By integrating theoretical calculations and TGA analysis, a method involving concentrated sulfuric acid roasting and subsequent water leaching was employed to sufficiently extract valuable metals Mg, Cu, and Ni, concurrently achie

SUBMITTER: Shao Z 

PROVIDER: S-EPMC11904678 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature