Experimental and reduction leaching kinetics simulation of iron-rich manganese oxide ore using tobacco stem concrete as reducing agentFangfang Wu, Zhu Xiao, Bin Zeng, Long Chen, Hui Liu, Min Liang, Peng Yu and Baobin MiMetall. Res. Technol., 116 4 (2019) 422DOI: https://doi.org/10.1051/metal/2019017