TY JOUR TI Environmentally Safe Trends of Coal Mining Waste Usage as Aluminum Technogenic Raw Material KW Mines KW rock dumps KW waste recycling KW acid leaching KW bacteria Th. ferrooxidans KW aluminum JO Proceedings of Petersburg Transport University AU Vereh-Belousova, E.I. AU Harlamova, A.V. PY 2023 IS 20 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"