...tal smelters. During iron ore production of magnetite concentrates tailings are removed and deposited. Both waste streams have potential of becoming valuable feedstock.In WP1, LKAB, WEEE-Recyling & Indumetal, providing input streams, will collaborate with LTU& NTNU to increase the REE concentration by physical separation, leading to low-grade REE-bearing input streams for WP2&3. In WP2, Bredox & D ...