| 低品位含金硫精矿氰化提金的试验研究 |
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| 引用本文： | 刘涛,吴卫国,张一敏,胡承凡.低品位含金硫精矿氰化提金的试验研究[J].矿冶工程,2004,24(3):32-34. |
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| 作者姓名： | 刘涛 吴卫国 张一敏 胡承凡 |
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| 作者单位： | 1.武汉科技大学化资学院, 湖北武汉430081;
2.武钢大冶铁矿, 湖北黄石435006 |
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| 摘 要： | 以武钢大冶铁矿硫精矿为研究对象, 对其进行了氰化法提金试验研究。试验结果表明, 大冶铁矿硫精矿氰化法提金的适宜条件为:磨矿细度-0.044 mm 粒级占90%, 硝酸铅用量300 g/ t, 溶液碱性预处理4 h, 氰化钠用量5.0 kg/t, 石灰用量2.0 kg/ t, 浸出时间36 h, 浸出浓度30%, pH =10.0 ～11.0, 金的浸出率可达到92.86%。
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| 关 键 词： | 硫精矿 氰化法提金 预处理 浸出率 |
| 文章编号： | 0253-6099(2004)02-0032-03 |
| 收稿时间： | 2003-12-12 |
| 修稿时间： | 2003年12月12 |
Experimental Study of Cyaniding of Gold-bearing Low Grade Sulphur Concentrate |
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| LIU Tao ,WU Wei-guo ,ZHANG Yi-min ,HU Cheng-fan.Experimental Study of Cyaniding of Gold-bearing Low Grade Sulphur Concentrate[J].Mining and Metallurgical Engineering,2004,24(3):32-34. |
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| Authors: | LIU Tao WU Wei-guo ZHANG Yi-min HU Cheng-fan |
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| Affiliation: | 1. Wuhan University of Science and Technology, Hubei 430081, Wuhan, China;
2. WISCO Daye Iron Mine, Huangshi 435006, Hubei, China |
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| Abstract: | A test was conducted for cyaniding WISCO Daye Iron Mine' s sulphur concentrate.The rusults showed that the suitable conditions for cyaniding the concentrate were as follows:Grind, 90 %minus 0.044 mm;Pb(NO3)2 dosage, 300 g/t;alkaline pretreatment time, 4 h;NaCN dosage, 5.0 kg/t;lime dosage, 2.0 kg/t;leaching time, 36 h;leaching concentration,30 %;pH, 10.0～11.0.Under the above conditions, the leaching rate of gold was up to 92.86 %. |
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| Keywords: | sulphur concentrate cyaniding pretreatment leaching rate |
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