Numerical study on the reduction characteristics of iron ore powder coated with carbon in a fluidized bedJing Ding, Jinyu Huang, Mingwei Hu, Guomin Zhu, Annan Dou and Qiyan XuMetall. Res. Technol., 122 5 (2025) 504DOI: https://doi.org/10.1051/metal/2025054