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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INCENTIVES FOR NEW PROCESS DEVELOPMENT<br />
• Trend towards lower grade, more <strong>complex</strong>, <strong>ores</strong>.<br />
• Need for low capex and/or opex processes, especially for small<br />
deposits and low grade <strong>ores</strong>.<br />
• Treatment <strong>of</strong> high carbonate <strong>refractory</strong> <strong>ores</strong>.<br />
• Increas<strong>in</strong>g environmental opposition to cyanide.<br />
• Increas<strong>in</strong>g environmental concerns over long term disposal <strong>of</strong><br />
potentially toxic elements, <strong>in</strong>clud<strong>in</strong>g As, Hg, Se, Sb, and Te.<br />
• Increas<strong>in</strong>g concern over process water consumption.<br />
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