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(MERAF) for the Base Metals Smelting Sector - CCME

(MERAF) for the Base Metals Smelting Sector - CCME

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Figure 15: Inco Copper Cliff Copper Refinery<br />

Residue<br />

From <strong>the</strong> Nickel Refinery<br />

Blister Copper<br />

From <strong>the</strong> Smelter<br />

Off-gas to atmosphere<br />

Solution<br />

First Stage<br />

Pressure<br />

Leaching<br />

Anode Refining<br />

and Casting<br />

Electrorefining<br />

Copper Cathodes<br />

Solids<br />

Silver Refinery<br />

Gold, Silver,<br />

O<strong>the</strong>r Precious<br />

<strong>Metals</strong><br />

To Markets<br />

Oxygen<br />

Spent Electrolyte<br />

Selenium/Tellruium Residue<br />

Second Stage<br />

Pressure<br />

Leaching<br />

Selenium,<br />

Tellurium<br />

Removal<br />

Electrowinning<br />

Copper Cathodes<br />

To Markets<br />

Sodium<br />

Hydrosulphide<br />

Solids<br />

Precious <strong>Metals</strong> Residue<br />

To Port Colborne Refinery<br />

Copper Clean-up<br />

Solution<br />

Oxygen<br />

Lime<br />

Iron/Arsenic<br />

Removal<br />

Nickel/Cobalt<br />

Recovery<br />

Nickel/Cobalt Carbonate<br />

To Port Colborne Refinery<br />

Barren Solution<br />

To Effluent<br />

Iron Hydroxide/Iron Arsenate<br />

To Tailings Disposal Area<br />

78

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