... J.E (19 91) A mineralogical study of anode passivation in copper electrorefining In Copper 91- Cobre 91 Proceedings of the Second International Conference, Vol 11 1 Hydrometallurgy and Electrometallurgy, ... Furuya, S (19 91) Development of antimony removal process for copper electrolyte In Copper 91- Cobre 91 Proceedings of the Second International Conference, Vol 11 1 Hydrometallurgy and Electrometallurgy, ... Chapters 18 and 19 Zaldivar (heap leach) 19 95 14 5 000 14 Hellenic Copper 19 96 8000 Morenci (mine for leach) 19 87 366 000 chalcocite, bronchantite, chrysocolla chalcocite chalcocite, chrysocolla 1% ...