Recovery of scandium and neodymium from blast furnace slag using acid baking–water leaching
Jihye Kim, Gisele Azimi
Abstract
with strong ionic bonds is formed that leaches at slower kinetics (>4 h). Fundamental investigations into the water leaching process indicate that the diffusion of water through the firm solid product (ash layer) is the rate determining step. We expect the results of this study would help enable valorization of industrial byproducts, in particular ironmaking slag.
Topics & Concepts
Leaching (pedology)Ground granulated blast-furnace slagChemistryScandiumSulfuric acidMetallurgyNeodymiumPyrometallurgySlag (welding)Inorganic chemistryMaterials scienceSmeltingEnvironmental scienceOpticsSoil waterSoil scienceLaserPhysicsCementBauxite Residue and UtilizationExtraction and Separation ProcessesRecycling and utilization of industrial and municipal waste in materials production