Separation of copper and cobalt脙脙脙脙脙脙nickel sulphide concentrates during processing of manganese deep ocean nodules

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• 作者：Jandov脙脙 ; J. ; Lis脙脙 ; K. ; Vu ; H. ; Vranka ; F.
• 关键词：Manganese deep ocean nodules ; Sulphide precipitation ; Selective separation ; Copper sulphide concentrate ; Cobalt脙脙脙脙脙脙nickel concentrate
• 刊名：Hydrometallurgy
• 出版年：2005
• 期刊代码：38_0304386x
• 类别：ce
• 出版时间：April, 2005
• 卷：77
• 期：1-2
• 页码：75-79
• 文件大小：108 K

摘要

Controlled sulphide precipitation was examined in this study for the recovery of copper and nickel芒芒芒cobalt concentrates from liquors originating from leaching manganese deep ocean nodules in FeSO₄芒芒芒H₂SO₄芒芒芒H₂O solutions. The metal ions studied include Co²⁺, Cu²⁺, Fe²⁺, Ni²⁺, Mn²⁺ and Zn²⁺. Promising results were obtained when copper and nickel芒芒芒cobalt concentrates were precipitated with 5.5%solution of (NH₄)₂S. This was added at optimised flow rate of 0.15 g S^2芒芒芒/min per 1 L of processed solution at the laboratory temperature, pH=1.0 (copper precipitation) and pH=3.0 (nickel芒芒芒cobalt precipitation).