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In this study, scandium extraction from Bauxite residue based on sulfuric acid leaching is presented. Scandium dissolves at elevated temperatures under high acid concentration reaching recovery yields up to 90%. It was found that increasing acid concentration in the range of 3-4 mol/L at elevated temperature, increase Sc recovery whereas simultaneously overcoming silica gel issues that occur from Si dissolution obtaining fast filtration rates while working at high pulp densities. Upon H2SO4doi:10.5281/zenodo.3627011 fatcat:sx5otexutjb4fhhxsdxiazx5gi