Pilot Scale Bauxite Residue treatment for holistic utilization

The industrial extraction of aluminium oxide from bauxite ore, leads also to the production of the Bauxite Residue by-product, which contains the remaining minerals of the bauxite ore. Under the RemovAl H2020 project, #MYTILINEOS has demonstrated a technology to recover metallic iron and slag from the Bauxite Residue in an Electric Arc Furnace. The slag of the process, which is usually a metallurgical waste stream, has been chemically designed to be usable in numerous applications ranging from use as raw material for aluminium and scandium oxide extraction to clinker substitute for cement production. Thus, this tunable process allows for the reuse of the bauxite residue stream in a zero waste process that produces added value products and effectively allows the complete utilization of bauxite ore mined for aluminium production.