攀枝花地区含钪钒钛磁铁矿尾矿提钪关键技术研究

邓冰, 王晓慧, 梁友伟, 肖军辉. 攀枝花地区含钪钒钛磁铁矿尾矿提钪关键技术研究[J]. 矿产综合利用, 2023, 44(4): 50-54. doi: 10.3969/j.issn.1000-6532.2023.04.007
引用本文: 邓冰, 王晓慧, 梁友伟, 肖军辉. 攀枝花地区含钪钒钛磁铁矿尾矿提钪关键技术研究[J]. 矿产综合利用, 2023, 44(4): 50-54. doi: 10.3969/j.issn.1000-6532.2023.04.007
Deng Bing, Wang Xiaohui, Liang Youwei, Xiao Junhui. Research on Sandium Extraction of Scandium Vanadium Titanomagnetite in Panzhihua[J]. Multipurpose Utilization of Mineral Resources, 2023, 44(4): 50-54. doi: 10.3969/j.issn.1000-6532.2023.04.007
Citation: Deng Bing, Wang Xiaohui, Liang Youwei, Xiao Junhui. Research on Sandium Extraction of Scandium Vanadium Titanomagnetite in Panzhihua[J]. Multipurpose Utilization of Mineral Resources, 2023, 44(4): 50-54. doi: 10.3969/j.issn.1000-6532.2023.04.007

攀枝花地区含钪钒钛磁铁矿尾矿提钪关键技术研究

  • 基金项目: 四川省科技计划(重点研发)项目(2021YFG0268)
详细信息
    作者简介: 邓冰(1986-),男,副研究员,主要从事战略性矿产资源综合利用技术研究
  • 中图分类号: TD952

Research on Sandium Extraction of Scandium Vanadium Titanomagnetite in Panzhihua

  • 这是一篇矿物加工工程领域的论文。攀枝花某钒钛磁铁矿尾矿中的钪主要以类质同象形式赋存于辉石和钛铁矿中,部分辉石及其他硅酸盐矿物嵌有钛磁铁矿,钒钛磁铁矿尾矿中的矿物嵌布关系复杂,性质相似,钪元素含量低而且分散。对该钒钛磁铁矿尾矿,采用擦洗-沉降预抛尾-选择性二段磨矿-阶段反浮选抛尾工艺,抛除的尾矿产率为30.32%,实现了有效抛尾;钪元素得到较好富集,钪含量由60.96 g/t提高到70.90 g/t,Sc2O3回收率为81.04%。

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  • 图 1  样品AMICS背散射

    Figure 1. 

    图 2  样品AMICS矿物分析

    Figure 2. 

    图 3  擦洗-沉降预抛尾-选择性二段磨矿-阶段反浮选抛尾实验流程

    Figure 3. 

    图 4  钪精矿XRD

    Figure 4. 

    表 1  试样多元素分析结果/%

    Table 1.  Multi-element analysis results of samples

    Sc2O3*SiO2CaOMgOFe2O3Al2O3P2O5TiO2Na2OSO3
    5942.1712.9111.2810.8510.231.043.261.951.01
    *单位为g/t。
    下载: 导出CSV

    表 2  矿石矿物组成/%

    Table 2.  Mineral composition of the ore

    钛磁铁矿云母钛铁矿角闪石磁黄铁矿绿泥石黄铁矿帘石蓝铜矿
    7.571.619.590.940.060.690.80.250.23
    石榴石磷灰石赤、褐铁矿辉石橄榄石长石石英榍石锆石
    0.562.120.4843.275.3416.310.090.060.04
    下载: 导出CSV

    表 3  钪在主要矿物中的分配率

    Table 3.  Distribution of scandium in major minerals

    矿物矿物量/%Sc2O3
    含量/(g/t)
    Sc2O3
    配分量/(g/t)
    Sc2O3
    分配率/%
    钛磁铁矿7.57292.24.36
    钛铁矿19.59458.8217.53
    辉石类44.217934.9369.42
    长石16.31162.615.19
    橄榄石类5.34331.763.50
    其他6.98000.00
    100.0050.32100.00
    下载: 导出CSV

    表 4  单一反浮选抛尾捕收剂选择实验结果

    Table 4.  Results of single reverse flotation tailing trap selection test

    浮选药剂
    及用量/(g/t)
    产品
    名称
    产率/%Sc2O3
    含量/(g/t)
    Sc2O3
    回收率/%
    KX302:200精矿84.3162.6087.18
    尾矿15.6949.5012.82
    原矿100.0060.55100.00
    淀粉:500
    KX302:200
    精矿82.6861.4086.53
    尾矿17.3245.6013.47
    原矿100.0058.66100.00
    淀粉:500
    KX986:200
    精矿77.6661.4280.23
    尾矿22.3452.6019.77
    原矿100.0059.45100.00
    淀粉:500
    E1000:200
    精矿67.1263.0071.25
    尾矿32.8851.9028.75
    原矿100.0059.35100.00
    淀粉:500
    醚胺盐:200
    精矿83.1660.8085.97
    尾矿16.8449.0014.03
    原矿100.0058.81100.00
    下载: 导出CSV

    表 5  电选实验结果/%

    Table 5.  Results of electric selection test

    电选
    参数
    产品
    名称
    产率/%Sc2O3
    含量/(g/t)
    Sc2O3
    分布率/%
    转速:180 r/min
    电压:22 kv
    精矿19.6147.3018.57
    中矿77.8850.7079.03
    尾矿2.5147.802.40
    原矿100.0049.96100.00
    转速:180 r/min
    电压:25 kv
    精矿31.1251.6031.22
    中矿66.4651.5066.54
    尾矿2.4247.502.24
    原矿100.0051.43100.00
    转速:250 r/min
    电压:25 kv
    精矿16.7148.9016.63
    中矿79.5249.2079.62
    尾矿3.7748.903.75
    原矿100.0049.13100.00
    下载: 导出CSV

    表 6  擦洗-沉降预抛尾实验对比结果

    Table 6.  Comparison results of scrub-settlement pre-tail test

    调浆分散
    剂添加
    产品
    名称
    产率/%Sc2O3
    含量/(g/t)
    Sc2O3
    分布率/%
    ①空白矿泥9.2628.64.41
    钪粗精矿90.7463.3095.59
    原矿100.0060.08100.00
    ②碳酸钠10 kg/t矿泥12.0250.910.90
    钪粗精矿87.9856.8089.10
    原矿100.0056.11100.00
    ③六偏磷酸钠10 kg/t矿泥10.5146.708.37
    钪粗精矿89.4961.1091.63
    原矿100.0058.62100.00
    下载: 导出CSV

    表 7  擦洗-沉降预抛尾-选择性二段磨矿-阶段反浮选抛尾实验结果/%

    Table 7.  Test results of scrub-settlement pre-tail-selective secondary grinding-stage and reverse flotation

    产品名称产率/%Sc2O3含量/(g/t)Sc2O3分布率/%
    矿泥10.7116.002.81
    尾矿19.6148.6016.15
    精矿69.6870.9081.04
    原矿100.0060.96100.00
    下载: 导出CSV
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收稿日期:  2022-10-12
刊出日期:  2023-08-25

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