How To Extract Gold Ore From Chalcopyrite
Chalcopyrite is a kind of copper iron sulfide mineral, often containing trace amounts of gold, silver and so on, producing areas all over the world. In the industry, it is the main raw material of copper smelting. It is also used as raw material for extracting gold because of its trace amounts of gold. This article mainly introduces how to extract gold from chalcopyrite.
- Used gold ore crusher smash the chalcopyrite ore first;
- Place in a large pond containing sodium cyanide aqueous solution to dissolve gold in sodium cyanide (highly poisonous);
- Collect the sodium cyanide solution and put the metal silver (or copper) into the replacement reaction;
- After the reaction of silver embryos into the dish in the high temperature melting, remove the melting surface of silver, copper residue, then get crude gold.
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