西北地区某钛铁矿中钪的赋存状态研究

刘飞燕, 谢志远, 李成秀, 周家云. 西北地区某钛铁矿中钪的赋存状态研究[J]. 矿产综合利用, 2023, 44(4): 177-181. doi: 10.3969/j.issn.1000-6532.2023.04.027
引用本文: 刘飞燕, 谢志远, 李成秀, 周家云. 西北地区某钛铁矿中钪的赋存状态研究[J]. 矿产综合利用, 2023, 44(4): 177-181. doi: 10.3969/j.issn.1000-6532.2023.04.027
Liu Feiyan, Xie Zhiyuan, Li Chengxiu, Zhou jiayun. Occurrence of Scandium in a Ilmenite Ore in Northwest China[J]. Multipurpose Utilization of Mineral Resources, 2023, 44(4): 177-181. doi: 10.3969/j.issn.1000-6532.2023.04.027
Citation: Liu Feiyan, Xie Zhiyuan, Li Chengxiu, Zhou jiayun. Occurrence of Scandium in a Ilmenite Ore in Northwest China[J]. Multipurpose Utilization of Mineral Resources, 2023, 44(4): 177-181. doi: 10.3969/j.issn.1000-6532.2023.04.027

西北地区某钛铁矿中钪的赋存状态研究

  • 基金项目: 中国地质调查局地质大调查项目(DD20230039);四川省科技厅项目(2022ZHCG0124)
详细信息
    作者简介: 刘飞燕(1975-),女,高级工程师,主要从事工艺矿物学研究工作
    通讯作者: 谢志远(1977-),男,高级工程师,主要从事地质调查工作
  • 中图分类号: TD952;P575

Occurrence of Scandium in a Ilmenite Ore in Northwest China

More Information
  • 这是一篇工艺矿物学领域的论文。为查清某伴生钪的低品位钛矿矿石性质,采用化学分析、电子探针、X射线衍射、AMICS矿物自动分析仪和光学显微镜等手段,对矿石的物质组成、矿物嵌布特征以及钪、铁、钛元素的赋存状态进行了详细的工艺矿物学研究。结果表明:矿石中钪主要赋存于钙镁硅酸盐中,分布率达94.93% ,仅针对钙镁硅酸盐类矿物进行选冶工作即可取得优异的钪回收指标。研究结果对钛矿石伴生钪的选冶及矿床下一步开发利用具有重要指导意义,也对类似含钪钛矿床中钪的赋存状态研究具有重要启示。

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  • 图 1  钛铁矿在矿石中的嵌布特征

    Figure 1. 

    表 1  矿石主要化学成分分析结果 /%

    Table 1.  Chemical analysis results of raw ore

    K2OTFeTiO2MgOAl2O3CaOAl2O3Na2OMnOSiO2P
    0.1410.214.546.1011.4012.5511.412.550.1743.730.11
    V2O5SSc2O3*Sr*Cr*W*Y*Ge*Ga*Ce*Co*
    0.070.0455.5032350.928.319.717.1171460.0
    *单位为g/t。
    下载: 导出CSV

    表 2  矿石矿物含量

    Table 2.  Mineral composition and content of raw ore

    矿物类别矿物名称含量/%
    电磁性脉石角闪石、辉石45.63
    绿泥石1.35
    橄榄石0.33
    云母0.12

    非磁脉石
    长石39.82
    方解石0.86
    磷灰石0.68
    石英0.45
    石膏0.34
    铁矿物磁铁矿2.34
    赤-褐铁矿0.47
    钛矿物钛铁矿6.80
    榍石0.04
    微量矿物磁黄铁矿、毒砂、黄铁矿、
    黄铜矿、锆石等
    偶见
    下载: 导出CSV

    表 3  钛铁矿的电子探针分析结果 /%

    Table 3.  Electron probe analysis results on the Ilmenite

    点号FeOTiO2Sc2O3SiO2MnO
    147.77549.7810.0000.0290.900
    248.78450.0370.0080.0770.702
    347.70150.3250.0170.1150.792
    447.55450.2620.0030.0180.739
    平均47.95450.1010.0070.060.783
    下载: 导出CSV

    表 4  磁铁矿电子探针分析结果/%

    Table 4.  Electron probe analysis results on the magnetite

    序号FeOTiO2Cr2O3V2O5Sc2O3
    192.7640.2180.4371.9420.000
    292.9540.2210.0651.1220.009
    392.6970.1840.1082.8410.000
    492.1990.1840.8831.5410.014
    591.6690.4021.0661.8730.008
    平均92.4560.2420.5121.8640.006
    下载: 导出CSV

    表 5  角闪石电子探针分析结果/%

    Table 5.  Electron probe analysis results on the hornblende

    序号CaOFeONa2OK2OTiO2Sc2O3MgOSiO2Al2O3
    119.23112.6860.462/2.961/12.43850.6912.726
    220.89412.3480.3620.0102.2970.05311.83751.6631.277
    319.32512.9730.4850.0191.1730.00612.67450.4483.280
    平均值19.81712.6690.4360.0102.1440.02012.31650.9342.428
    下载: 导出CSV

    表 6  辉石电子探针分析结果/%

    Table 6.  Electron probe analysis results on the pyroxene

    序号Na2OK2OTiO2Sc2O3MgOCaOFeOSiO2Al2O3
    11.8920.5233.640.00311.2310.72515.65641.28513.369
    22.040.4662.125-11.65711.12913.95742.48214.687
    32.3680.7283.0070.01110.06210.84916.87442.48312.958
    平均2.1000.5722.9240.00510.98310.90115.49642.08313.671
    下载: 导出CSV

    表 7  斜长石电子探针分析结果/%

    Table 7.  Electron probe analysis results on the Plagioclase

    序号FeOTiO2Sc2O3MgOCaOSiO2Na2OK2OAl2O3
    11.2300.047-0.2288.89051.9065.4090.16331.471
    20.1740.006-0.00510.13454.2005.3850.05131.833
    平均0.7020.0265-0.11659.51253.0535.3970.10731.652
    下载: 导出CSV

    表 8  单矿物化学分析结果/%

    Table 8.  Chemical analysis of key elements of pure minerals

    样品TiO2TFeSc2O3*
    磁铁矿类3.8065.201.39
    钛铁矿47.8936.7350.00
    角闪石类磁性矿物2.6911.38136.00
    长石类非磁性矿物0.091.270.00
    *单位为g/t。
    下载: 导出CSV

    表 9  矿石中钪金属量平衡配分结果

    Table 9.  Calculation results of scandium equilibrium in raw ore

    矿物矿物含量Sc2O3含量/
    (g/t)
    Sc2O3的配
    分量/(g/t)
    Sc2O3
    布率/%
    磁铁矿2.811.390.040.06
    钛铁矿6.8050.003.405.01
    电磁性脉石47.39136.0064.4594.93
    非磁脉石42.19-0.000.00
    其他0.81-0.000.00
    合计100.0067.89100.00
    下载: 导出CSV
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出版历程
收稿日期:  2023-06-12
刊出日期:  2023-08-25

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