刚果(金)马诺诺某含锂尾矿工艺矿物学研究-岩石矿物学杂志-CSCIED科技核心评价数据库-手机版

刚果(金)马诺诺某含锂尾矿工艺矿物学研究

Study on process mineralogy of a lithium-containing tailings in Manono, Democratic Republic of Congo

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DOI	10.20086/j.cnki.yskw.2025.4052
刊名	岩石矿物学杂志 Acta Petrologica et Mineralogica
年，卷(期)	2025, 44(4)
作者	盛涛, 王武名, 雷志兰, 张书超, 李志军, 孙聚利,
作者单位	1\|1,2\|3\|1\|1\|1
摘要	刚果(金)马诺诺地区伟晶岩型锂、锡、铌钽资源丰富,历史生产过程中,只对锡和铌钽矿物进行回收,含锂矿物则随尾矿排放并堆存至今。为确定尾矿中含锂矿物的赋存特征,通过综合运用粒度分析、X射线荧光光谱分析(XRF)、化学多元素分析、X射线衍射、扫描电镜等方法和手段,对某尾矿矿样进行了含锂矿物的工艺矿物学研究。结果表明,该含锂尾矿样品Li₂O品位为1.05%,矿石中的锂元素95.04%分布于锂辉石中。矿样中锂辉石矿物含量为13.1%,锂辉石以中粗粒嵌布为主,与其他矿物连生关系简单,腐化程度较低,锂辉石中Li₂O含量为7.9%。通过含锂矿物的工艺矿物学研究,确定该含锂尾矿属于锂辉石型(尾)矿床,具有较好的选矿工艺矿物学指标,为尾矿中锂辉石的回收提供了技术依据。
Abstract	The Manono region of the DRC is rich in pegmatite-type lithium, tin, niobium and tantalum resources. In the historical production process, only tin and niobium tantalum minerals were recovered, while lithium-containing minerals were discharged with tailings and stored until now. To determine the occurrence characteristics of lithium-containing minerals in tailings, the process mineralogy of lithium-containing minerals in tailings samples was studied by particle size analysis, X-ray fluorescence spectroscopy (XRF), chemical multi-element analysis, X-ray diffraction, scanning electron microscopy, and other comprehensively methods. The results indicate that the Li₂O grade of the lithium-containing tailings sample is 1.05%, and 95.04% of the lithium element in the ore is distributed in spodumene. The mineral content of spodumene in the raw tailing ore sample is 13.1%. Spodumene is mainly distributed in medium-coarse grains and has a simple association with other minerals, with low weathering degree. The Li₂O content in spodumene is 7.9%. Through the study of process mineralogy of lithium-containing minerals, it has been determined that the lithium-containing tailings belong to the spodumene-type (tailings) deposit, with good mineralogical indicators for mineral processing, providing a technical basis for the recovery of spodumene from tailings.
关键词	工艺矿物学;尾矿;锂辉石;赋存状态;刚果(金)
KeyWord	process mineralogy;tailings;spodumene;occurrence state;Democratic Republic of Congo (DRC)
基金项目
页码	995-1002

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引用本文

盛涛, 王武名, 雷志兰, 张书超, 李志军, 孙聚利. 刚果(金)马诺诺某含锂尾矿工艺矿物学研究 [J]. 岩石矿物学杂志. 2025; 44; (4). 995 - 1002.

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