| 河南渑池地区铝土矿工艺矿物学及锂的赋存状态研究 |
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| 引用本文： | 王新彦,张荣臻,杨松林,刘百顺.河南渑池地区铝土矿工艺矿物学及锂的赋存状态研究[J].矿产综合利用,2020,41(6):212-220. |
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| 作者姓名： | 王新彦 张荣臻 杨松林 刘百顺 |
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| 作者单位： | 1.烟台黄金职业学院 |
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| 基金项目： | 河南省地质矿产勘查开发局2017年度科研项目(豫地矿科研[2017]01号) |
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| 摘 要： | 通过河南省渑池地区含锂铝土矿(岩)层工艺矿物学分析,查明铝土矿的物质组成、嵌布特征、伴生锂分布特征和赋存状态,为矿产综合利用提供理论依据。结果显示:该铝土矿Al2O3含量为54.8%,铝硅比值(A/S)为2.6,铝土矿层和粘土岩层中Li2O含量均高于伴生锂边界品位,粘土岩中锂更为富集；矿物组成除一水硬铝石之外,主要是以集合体形态产出的粘土矿物。采用稀酸解析、选矿测试和电子探针分析锂的赋存状态,查明矿石中锂主要是以类质同象置换形式赋存在伊利石和高岭石等粘土矿物中；选矿富锂尾矿中Li2O可富集到0.57%左右,是锂综合回收利用的重点研究对象。
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| 关 键 词： | 铝土矿 锂的赋存状态 综合利用 尾矿 |
| 收稿时间： | 2020/7/28 0:00:00 |
| 修稿时间： | 2020/7/28 0:00:00 |
Studying on the process mineralogy and existing state of lithium in bauxite ore from Mianchi district, Henan province |
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| Wang Xinyan,Zhang Rong Zhen,Yang Songlin,Liu Bai Shun.Studying on the process mineralogy and existing state of lithium in bauxite ore from Mianchi district, Henan province[J].Multipurpose Utilization of Mineral Resources,2020,41(6):212-220. |
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| Authors: | Wang Xinyan Zhang Rong Zhen Yang Songlin Liu Bai Shun |
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| Affiliation: | 1.Yantai Gold College2.Henan Institute of Geological Survey3.Henan Institute of Geological Sciences |
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| Abstract: | In order to uncovered the ore composition, distribution characteristics and occurrence status of lithium in the bauxite ore from mianchi district, Henan province, and lay a foundation for comprehensive development and utilization, this study focused on the process mineralogy characteristics of Lithium-bearing bauxite ore. The results showed as follows: The lithium-bearing bauxite has a silicon-aluminum ratio(A/S) of 2.6 with Al2O3 content of 54.8%. Lithium in the bauxite ores and clay rock layers has recovery value. The ore mainly composed of diaspora and clay minerals such as kaolinite and illite. The diaspora and clay minerals are conducive to enrichment or selection for their tiny, and occurred as aggregate. By means of dilute acid analysis, beneficiation test and electron probe, this study found Lithium occurs mainly in crystalized state in clay minerals, ore dressing method can enrich lithium to the grade about 0.57%, and tailings are the main objects of lithium comprehensive recycling during the bauxite ore dressing and smelting. |
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| Keywords: | Bauxite ore Existing state of Lithium Comprehensive utilization Tailings |
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