developments in the processing of refractory & complex gold ores
developments in the processing of refractory & complex gold ores
developments in the processing of refractory & complex gold ores
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PRO PROCESS<br />
• Be<strong>in</strong>g developed by Process Research Ortech, Canada.<br />
• Potentially lower cost none-cyanide option for <strong>refractory</strong>/double<br />
<strong>refractory</strong> <strong>gold</strong> <strong>ores</strong>.<br />
• Consists <strong>of</strong> crush<strong>in</strong>g, gr<strong>in</strong>d<strong>in</strong>g, gravity separation, flotation,<br />
roast<strong>in</strong>g <strong>of</strong> concentrate, leach<strong>in</strong>g <strong>of</strong> calc<strong>in</strong>e <strong>in</strong> PRO’s proprietary<br />
mixed chloride lixiviant (HCl+MgCl 2 ), solvent extraction for <strong>gold</strong><br />
recovery and recycle <strong>of</strong> reagents.<br />
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