Abstract The effect of mechanical activation on the leaching and electrochemistry of chalcopyrite was investigated in a glycine medium. Leaching experiments were conducted to evaluate the effect of particle size (with re-ground sample in ball mill) and mechanical activation (with re-ground sample in planetary mill for 4 h) on chalcopyrite dissolution in a stirred tank reactor. Results show that a maximum copper extraction (95.1%) was obtained for mechanically activated chalcopyrite after 12 h leaching in a 0.4 M glycine solution at 60 °C, 2% (w/v) pulp density and an initial solution pH of 10.5. Under these same leaching conditions, a decrease in particle size for conventionally ground chalcopyrite from 106 to 125 μm to

中文翻译：

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机械活化对甘氨酸介质中黄铜矿浸出的影响研究

摘要 在甘氨酸介质中研究了机械活化对黄铜矿浸出和电化学的影响。进行浸出实验以评估粒度（在球磨机中重新研磨样品）和机械活化（在行星磨机中重新研磨样品 4 小时）对搅拌釜反应器中黄铜矿溶解的影响。结果表明，在 60 °C、2% (w/v) 纸浆密度和 10.5 的初始溶液 pH 值下，在 0.4 M 甘氨酸溶液中浸出 12 小时后，机械活化黄铜矿获得了最大的铜提取率 (95.1%)。在这些相同的浸出条件下，常规研磨的黄铜矿的粒度从 106 μm 减小到 125 μm