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陈燕清, 雷满奇, 廖幸锦. 广西某含镉铅锌尾矿综合回收利用研究[J]. 矿产综合利用, 2024, 45(4): 111-117. doi: 10.3969/j.issn.1000-6532.2024.04.016
引用本文: 陈燕清, 雷满奇, 廖幸锦. 广西某含镉铅锌尾矿综合回收利用研究[J]. 矿产综合利用, 2024, 45(4): 111-117. doi: 10.3969/j.issn.1000-6532.2024.04.016
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CHEN Yanqing, LEI Manqi, LIAO Xingjin. Comprehensive Recovery and Utilization of a Lead-zinc Tailing Containing Cadmium in Guangxi[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(4): 111-117. doi: 10.3969/j.issn.1000-6532.2024.04.016
Citation: CHEN Yanqing, LEI Manqi, LIAO Xingjin. Comprehensive Recovery and Utilization of a Lead-zinc Tailing Containing Cadmium in Guangxi[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(4): 111-117. doi: 10.3969/j.issn.1000-6532.2024.04.016
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广西某含镉铅锌尾矿综合回收利用研究

  • 广西壮族自治区地质矿产测试研究中心，广西　南宁　530015

  • 基金项目: 广西重点研发计划（桂科AB18126104；桂科AB2018AB36031）
详细信息
    作者简介: 陈燕清（1985-），女，硕士，高级工程师，从事选矿实验研究
    通讯作者: 廖幸锦（1983-），男，硕士，高级工程师，从事选矿技术研究及新型高效选矿药剂研发

  • 中图分类号: TD952;TD989

Comprehensive Recovery and Utilization of a Lead-zinc Tailing Containing Cadmium in Guangxi

  • Geology and Mineral Testing Research Center of Guangxi Zhuang Autonomous Region, Nanning 530015, Guangxi, China

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    摘要

  • 这是一篇矿物加工工程领域的论文。本研究选取了广西某含镉铅锌尾矿作为研究对象，在原生电位的条件下进行了含镉铅矿物及锌矿物的回收利用实验。研究结果表明，采用S19捕收剂可以对铅矿物进行较好的回收，CZ008新型选锌捕收剂可对活化后的含锌矿物进行高效回收，浮选尾矿经过摇床重选脱硫后可作为水泥用硅酸盐辅料。实验生产的废水无需处理即可循环利用，且不会对回收指标造成影响。

    This is an article in the field of mineral processing engineering. In this article, the recovery and utilization under the condition of origin potential of galena and sphalerite from a lead-zinc tailings containing cadmium in Guangxi was studied. Research indicates S19 exhibits satisfactory recovery for galena, while CZ008 as a novel collector for zinc flotation can effectively recover activated-sphalerite. Flotation tailings may serve as a silicate excipient for cement after gravity concentration in cleaning table and desulfurization. The wastewater produced by the process can be recycled without treatment and will not affect the recovery index.

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  • 图 1  实验样XRD

    Figure 1. 

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    图 2  浮选条件实验流程

    Figure 2. 

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    图 3  磨矿细度对铅粗精矿指标的影响

    Figure 3. 

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    图 4  S19用量对铅粗精矿指标的影响

    Figure 4. 

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    图 5  pH值对铅粗精矿指标的影响

    Figure 5. 

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    图 6  硫酸锌用量对铅粗精矿指标的影响

    Figure 6. 

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    图 7  硫酸铜用量对锌粗精矿指标的影响

    Figure 7. 

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    图 8  捕收剂用量对锌粗精矿指标的影响

    Figure 8. 

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    图 9  工艺实验流程

    Figure 9. 

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    表 1  试样主要化学成分分析/%

    Table 1.  Chemical composition of the test samples

    Pb Zn S CaF2 Cd As Cu Ge* Se* Mo*
    1.02 2.46 5.76 0.10 0.02 0.01 0.01 4.15 2.58 11.2
    Sn* Te* WO3* Bi* Ga* Tl* Hg* Ag* Au* In*
    66.2 0.04 2.26 0.35 15.0 1.26 6.0 12.4 0.02 1.69
    *单位为g/t。
    下载: 导出CSV

    表 2  铅矿物物相分析结果/%

    Table 2.  Phase analysis of lead minerals

    铅矾中Pb白铅
    矿中Pb    		方铅
    矿中Pb    		磷氯铅
    矿中Pb    		铁铅矿物及
    其他形态中Pb
    0.180.240.150.020.44
    下载: 导出CSV

    表 3  锌矿物物相分析结果/%

    Table 3.  Phase analysis of lead minerals

    ZnSO4中ZnZnS中Zn锌的总氧
    化物中Zn    		其他形态锌矿
    矿物中的Zn
    0.071.340.920.09
    下载: 导出CSV

    表 4  试样矿样筛分分析

    Table 4.  Screening analysis of the test ore samples

    粒级/mm 产率/% 品位/% 金属分布率/% 累计分布率/%
    粒级 累计 Pb Zn Pb Zn Pb Zn
    +0.25 14.13 14.13 1.38 1.46 20.05 8.31 20.05 8.31
    -0.25+0.15 19.51 33.64 0.35 1.09 7.02 8.57 27.07 16.88
    -0.15+0.074 43.83 77.47 0.65 2.21 29.29 39.04 56.36 55.92
    -0.074+053 5.80 83.27 1.20 3.15 7.15 7.36 63.52 63.28
    -0.053+0.045 3.23 86.50 1.89 3.25 6.27 4.23 69.79 67.51
    -0.045+0.037 2.07 88.57 2.15 3.36 4.58 2.81 74.37 70.31
    -0037 11.44 100.00 2.18 6.44 25.63 29.68 100.00 100.00
    合计 100.00 0.97 2.48 100.00 100.00
    下载: 导出CSV

    表 5  捕收剂种类对铅粗精矿指标的影响

    Table 5.  Effect of collector’s type on the index of lead rough concentrate

    捕收剂 产品名称 产率/% 品位/% 回收率/%
    Pb Zn Pb Zn
    丁铵黑药 铅粗精矿 7.02 3.91 6.97 28.52 19.66
    乙基黄药 铅粗精矿 1.62 4.46 6.34 7.47 4.12
    乙硫氮 铅粗精矿 2.28 26.66 6.69 62.74 5.90
    S19 铅粗精矿 1.52 42.53 5.29 65.85 5.51
    下载: 导出CSV

    表 6  捕收剂种类对锌粗精矿指标的影响

    Table 6.  Effect of collector’s type on the index of zinc rough concentrate

    捕收剂名称产品名称产率/%品位/%回收率/%
    ZnZn
    丁铵黑药锌粗精矿6.1029.2659.98
    丁基黄药锌粗精矿5.0835.9858.19
    丁黄+丁黑（2:1）锌粗精矿6.0625.6363.04
    CZ008锌粗精矿5.6332.3468.64
    下载: 导出CSV

    表 7  实验室流程实验结果

    Table 7.  Results of laboratory process test

    名称 产率/% 品位/% 回收率/%
    Pb Zn S Cd Pb Zn S Cd
    铅精矿 1.19 54.91 5.44 11.88 0.131 71.91 2.57 2.66 8.66
    锌精矿 3.64 1.03 51.67 27.58 0.357 4.12 74.63 18.87 72.19
    硫精矿 10.13 0.41 1.73 38.52 0.009 4.56 6.95 73.34 5.07
    尾矿 85.04 0.21 0.47 0.32 0.003 19.41 15.84 5.13 14.17
    原尾矿 100.00 0.91 2.52 5.32 0.018 100.00 100.00 100.00 100.00
    下载: 导出CSV

    表 8  最终尾矿毒性浸出浸出结果/(mg/L)

    Table 8.  Toxic leaching results of final tailing

    Fe Cr Mn Cu Zn As Cr6+ Cd Sb Pb Hg Ag Ni pH值
    0.03 0.000 6 0.28 0.002 0.44 0.001 0.002 0.031 8 0.002 0.28 0.00 0.000 1 0.013 9 7.02
    下载: 导出CSV
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收稿日期:  2022-09-23
刊出日期:  2024-08-25

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