| 采用细磨-磁选-反浮选工艺回收某选厂铁尾矿试验研究 |
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| 引用本文： | 张红新,李洪潮,郭珍旭.采用细磨-磁选-反浮选工艺回收某选厂铁尾矿试验研究[J].中国矿业,2014,23(12). |
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| 作者姓名： | 张红新 李洪潮 郭珍旭 |
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| 作者单位： | 中国地质科学院郑州矿产综合利用研究所、国家非金属矿资源综合利用工程技术研究中心、国土资源部多金属矿评价与综合利用重点实验室,中国地质科学院郑州矿产综合利用研究所、国家非金属矿资源综合利用工程技术研究中心、国土资源部多金属矿评价与综合利用重点实验室,中国地质科学院郑州矿产综合利用研究所、国家非金属矿资源综合利用工程技术研究中心、国土资源部多金属矿评价与综合利用重点实验室 |
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| 摘 要： | 本文对某选厂铁尾矿进行了回收试验研究。试验目的为提铁降硅,回收利用废弃铁矿石资源。针对尾矿产品嵌布粒度细、连生体含量高,主要以赤褐铁矿和少量磁铁矿为主的特点,采用细磨-磁选-反浮选工艺进行了回收试验。将矿石磨矿至-0.038mm含量占90%,采用弱磁选富集磁铁矿,采用强磁选富集赤褐铁矿,将弱磁选与强磁选粗精矿合并进行反浮选试验,采用一次粗选,一次精选,最终可获得TFe品位58.03%,TFe回收率53.27%,SiO2含量4.82%的铁精矿,试验达到了预期目标。
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| 关 键 词： | 细粒 铁尾矿 细磨 磁选 反浮选 |
| 收稿时间： | 3/9/2014 12:00:00 AM |
| 修稿时间： | 2014/5/27 0:00:00 |
Test Research of Recovering Iron Tailings in a Concentration Plant byFine Grinding-Magnetic Separation-Counter Floatation Process |
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| zhanghongxin,lihongchao and guozhenxu.Test Research of Recovering Iron Tailings in a Concentration Plant byFine Grinding-Magnetic Separation-Counter Floatation Process[J].China Mining Magazine,2014,23(12). |
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| Authors: | zhanghongxin lihongchao and guozhenxu |
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| Affiliation: | Zhengzhou Institute of MultipurposeUtilization of Mineral Resources CAGS,Zhengzhou Institute of MultipurposeUtilization of Mineral Resources CAGS,Zhengzhou Institute of MultipurposeUtilization of Mineral Resources CAGS |
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| Abstract: | The test research of recovering iron tailings in a concentration plant was made. The test aimed at iron-increasing and silicon-decreasing, recycling of waste iron ore resources. The fine grinding-magnetic separation-counter floatation process was taken according the characteristics of tailings with fine embedded size, high content of locked-middling grain, containing mainly hematite-limonite ore and few magnetite. The final iron concentrate with TFe grade of 58.03% and recovery of 53.27%, SiO2 content of 4.82%, the test targets were reached. |
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| Keywords: | Fine grain Iron tailings Fine grinding Magnetic separation Counter floatation |
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