what's happening in copper hydromet - ALTA Metallurgical Services
what's happening in copper hydromet - ALTA Metallurgical Services
what's happening in copper hydromet - ALTA Metallurgical Services
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SOLVENT EXTRACTION & ELECTROWINNING (CONT.)<br />
Developments <strong>in</strong> electrow<strong>in</strong>n<strong>in</strong>g <strong>in</strong>clude:<br />
• Higher current density operation by modify<strong>in</strong>g cell design and<br />
operat<strong>in</strong>g conditions.<br />
• Longer (jumbo) cells to reduce capex and footpr<strong>in</strong>t.<br />
• Alternative non-lead anodes (coated titanium).<br />
• Tubular cells, totally enclosed (EMEW, Australia).<br />
• Alleviation of acid mist emission <strong>in</strong>clud<strong>in</strong>g:<br />
– EW cell covers<br />
– new mist suppressant.<br />
• New smooth<strong>in</strong>g additives.<br />
• Systems for enhancement of current efficiency <strong>in</strong>clud<strong>in</strong>g:<br />
– modified cell design<br />
– aeration of cells<br />
– onl<strong>in</strong>e wireless based EW management systems.<br />
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