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| Technical Study on Recycling of Gold and Silver from Aqua-Regia-Treated Gold Slag |
| Received:March 28, 2016 Revised:April 26, 2016 |
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| DOI：doi：10.3969/j.issn.1007-7545.2016.09.007 |
| KeyWord:aqua-regia-treated residue; gold; silver; recycling |
| Author | Institution |
| LIU Ya-jian |
紫金矿业集团股份有限公司 |
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| Abstract: |
| Three processes including refining with aqua regia, direct slag-making smelting, as while as silver replacement, nitric acid dissolving, and gold dissolving with aqua regia, were explored to treat aqua-regia-treated residue. The results show that residue of the first two methods needs retreating. Recovery rate of gold and silver of the third method is 99.97% above with the advantages of simple technological process and high recovery of gold and silver. |
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