Characterization of black slags obtained during smelting in the electric arc furnace from SIDERPERU following reduction

H. A. Cabrera-Tinoco, R. A. Valencia-Bedregal, L. E. Borja-Castro, M. I. Valerio-Cuadros, A. G.Bustamante Dominguez, Xiaoli Zhao, Youyun Zhang, Chengmu Zheng, N. O. Moreno, Deliang Zhang, C. H.W. Barnes, L. De Los Santos Valladares