Perspective Wastewater Treatment from Cu2+ Ions in the Mining Industry Sadritdin Turabdzhanov, Zulkaynar Nazirov, Dildora Turaeva and Latofatkhon Rakhimova E3S Web Conf., 105 (2019) 02025 Published online: 21 June 2019 DOI: 10.1051/e3sconf/201910502025