Leaching of galena by regenerated ferric ion (Fe3+) via electro-oxidationFan Yang, Ming-ming Wang, Zhan-fang Cao, Jing Wang, Pei Chen, Xin Wen, Shuai Wang, Guang-yi Liu and Hong ZhongMetall. Res. Technol., 116 3 (2019) 320DOI: https://doi.org/10.1051/metal/2018108