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| Experimental Study on Leaching of Refractory Gold Ore with Thiourea |
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Received:August 28, 2013
Revised:September 04, 2013
Accepted:September 05, 2013
Published Online:February 25, 2014
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| DOI：10.3969/j.issn.1007-7545.2014.03.011 |
| KeyWord:thiourea; refractory gold ore; leaching rate |
| Author | Institution |
| CHU chun-li |
贵州大学材料与冶金学院 贵阳 |
| jiangzhonggang |
贵州紫金矿业股份有限公司 |
| tangdaowen |
贵州大学材料与冶金学院 |
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| Abstract: |
| Gold was acidic leached from refractory gold ore with thiourea and oxidant. The factors affecting gold leaching rate were investigated. The results show that the gold leaching rate is about 80% under the optimum conditions including initial sulfuric acid concentration of 1.3 mol/L, thiourea concentration of 100 g/L, ferric sulfate concentration of 100 g/L, ratio of liquid to solid of 10∶1, and reaction time of 10 h. |
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