The 22nd of February 21 Chiara Gardenia, Efthymios Balomenos, Pritii Wai Yin Tam, Dimitrios Panias published the paper “Combined Soda Sintering and Microwave Reductive Roasting Process of Bauxite Residue for Iron Recovery” that shows an integrated process as a suitable method to transform Fe3+ oxides present in bauxite residue into magnetic oxides and metallic iron through a microwave roasting reduction, avoiding the formation of hercynite (FeAl2O4).