| 磁化焙烧-磁选-反浮选工艺回收选金尾矿中铁的试验研究 |
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| 引用本文： | 张胜广,曹志群,石云良.磁化焙烧-磁选-反浮选工艺回收选金尾矿中铁的试验研究[J].矿冶工程,2012(3):44-47. |
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| 作者姓名： | 张胜广 曹志群 石云良 |
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| 作者单位： | 长沙矿冶研究院有限责任公司,湖南长沙,410012 |
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| 摘 要： | 对某含铁35.11%的选金尾矿进行了磁化焙烧-磁选-反浮选工艺回收铁的试验研究。焙烧温度750℃,焙烧时间45 min,磁选场强144 kA/m,反浮选十二胺用量350 g/t条件下,获得了产率为34.39%、品位为56.73%、铁回收率为55.57%的铁精矿,为回收该类尾矿提供了新的工艺方法。
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| 关 键 词： | 选金尾矿 铁精矿 磁化焙烧 磁选 反浮选 |
Experimental Study on Recycling Iron from Gold Ore Tailings by Magnetizing Roasting-Magnetic Separation-Reverse Flotation |
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| ZHANG Sheng-guang
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CAO Zhi-qun
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SHI Yun-liang.Experimental Study on Recycling Iron from Gold Ore Tailings by Magnetizing Roasting-Magnetic Separation-Reverse Flotation[J].Mining and Metallurgical Engineering,2012(3):44-47. |
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| Authors: | ZHANG Sheng-guang CAO Zhi-qun SHI Yun-liang |
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| Affiliation: | (Changsha Research Institute of Mining and Metallurgy Co Ltd,Changsha 410012,Hunan,China) |
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| Abstract: | Experiments were carried out to recover iron from gold ore tailings with an iron content of 35.11% by adopting magnetizing roasting-magnetic separation-reverse flotation technology,and an iron concentrate with a yield of 34.39%,and an iron grade and recovery of 56.73% and 55.57%,respectively,was produced at a roasting temperature of 750 ℃,a roasting time of 45 minutes,a magnetic field intensity of 144 kA/m,and a consumption of laurylamine for reverse flotation of 350 g/t.This can be regarded as a new technological solution for utilization of these gold ore tailings. |
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| Keywords: | gold ore tailings iron concentrate magnetizing roasting magnetic separation reverse flotation |
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