International Journal of Mineral Processing and Extractive Metallurgy

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Extraction of Valuable Metals from High-Iron Zinc Sulfide Concentrate by Reductive Leaching

Received: Nov. 29, 2018    Accepted: Dec. 29, 2018    Published: Jan. 29, 2019
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Abstract

This study was conducted as part of the development of a new process to recover valuable metals of zinc, copper and indium from high-iron zinc sulfide concentrate (HIZSC) by the reductive leaching of high-iron zinc neutral leaching residue (HIZNLR) with zinc concentrate precipitation of copper with iron powder, neutralization of free sulfuric acid with zinc calcine, precipitation of indium with zinc powder and hematite precipitation to reject iron. Among these stages, reductive leaching is the crucial step, which makes that valuable metals in the materials can be effectively leached and ferric iron in the solution is reduced to ferrous iron. The reductive leachate enables copper, indium and iron separation from the solution in the subsequent process. The results show that by increasing the sulfuric acid concentration, HIZSC addition and prolonging the reaction time, the leaching efficiency of zinc, copper, indium and iron in the sample materials was significantly increased. The maximum metal-leaching efficiency was obtained; 84.3% of the iron was in its soluble ferrous state, and zinc ferrite in the HIZNLR was almost entirely dissolved under the experimental conditions of an H2SO4-to-HIZNLR mass ratio of 1.6, a liquid-to-solid ratio of 11.34 mL/g, a temperature of 90°C, an HIZSC addition of 1.05 times of the stoichiometric amount and a reaction time of 5 h.

DOI 10.11648/j.ijmpem.20180304.12
Published in International Journal of Mineral Processing and Extractive Metallurgy ( Volume 3, Issue 4, December 2018 )
Page(s) 83-90
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

High-Iron Zinc Ore, Neutral Leaching Residue, Reductive Leaching, Leaching Efficiency

References
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[2] Li C X, Wei C, Xu H S, Li M T, Li X B, Deng Z G, Fan G. Oxidative pressure leaching of sphalerite concentrate with high indium and iron content in sulfuric acid medium. Hydrometallurgy, 2010, 102(1-4): 91-94.
[3] Liu W, Han J W, Qin W Q, Chai L Y, Hou D K, Kong Y. Reduction roasting of high iron bearing zinc calcine for recovery of zinc and iron. Canadian Metallurgical Quarterly, 2014, 53(2): 176–182.
[4] Han J Q, Liu W, Qin W Q, Peng B, Yang K, Zheng Y X. Recovery of zinc and iron from high iron-bearing zinc calcine by selective reduction roasting. Journal of Industrial and Engineering Chemistry, 2015, 22: 272–279.
[5] Wang J K, Dong Y, Zhou T X. Industrial tests and commercialization of the high-iron zinc sulphide concentrate. Engineering Science, 2005, 7(1): 202-206. (In Chinese).
[6] Yang F, Deng Z G, Wei C, Li C X, Li X B. Iron-removal by hematite from leaching liquor of high iron sphalerite. The Chinese Journal of nonferrous metals, 2014, 24(9): 2387-2391. (In Chinese).
[7] Ramachandra S V N, Deo K, Biswas A K. Dissolution of zinc ferrite samples in acids. Hydrometallurgy, 1976, 2: 171-184.
[8] Jiang G M, Peng B, Liang Y J, Chai L Y, Wang Q W, Li Q Z, Hu M. Recovery of valuable metals from zinc leaching residue by sulfate roasting and water leaching. Transactions of Nonferrous Metals Society of China, 2017, 27(5): 1180-1187.
[9] Li M, Peng B, Chai L Y, Peng N, Yan H, Hou D. Recovery of iron from zinc leaching residue by selective reduction roasting with carbon. Journal of Hazardous Materials, 2012, 237-238: 323-330.
[10] Wang X, Srinivasakannan C, Duan X H, Peng J H, Yang D J, Ju S H. Leaching kinetics of zinc residues augmented with ultrasound. Separation and Purification Technology, 2013, 115: 66-72.
[11] Zhang Y, Li X, Pan L, Liang X Y, Li X P. Studies on the kinetics of zinc and indium extraction from indium-bearing zinc ferrite. Hydrometallurgy, 2010, 100(3): 172-176.
[12] Furlani G, Moscardini E, Pagnaelli F, Ferella F, Vegliò T L. Recovery of manganese from zinc alkaline batteries by reductive acid leaching using carbohydrates as reductant. Hydrometallurgy, 2009, 99: 115–118.
[13] Cheng T C M. Production of hematite in acidic zinc sulfate media, Dissertation for the Doctoral Degree. Montreal: McGill University, 2002, 1−3.
[14] Markus H, Fugleberg S, Valtakari D, Salmi T, Murzin D Y, Lahtinen M. Reduction of ferric to ferrous with sphalerite concentrate, kinetic modelling. Hydrometallurgy, 2004, 73: 269-282.
[15] Markus H, Fugleberg S, Valtakari D, Salmi T, Murzin D Y, Lahtinen M. Chemical Engineering Scence, 2004, 59(4): 919-930.
[16] Qin W Q, Ma X H, Niu Y J, Lai S H, Yang C R, Jiao F, Ren, L Y. Reductive leaching of gallium from zinc residue. Hydrometallurgy, 2012, 113−114: 195-199.
[17] Zhang C, Min X B, Zhang J Q, Wang M, Zhou B S, Shen C. Reductive acid leaching of cadmium fromzinc neutral leaching residue using hydrazine sulfate. Transactions of Nonferrous Metals Society of China, 2015, 25(12): 4175-4182.
[18] Yamada T, Kuramochi S, Sato S, Shibachi Y. The recent operation of the hematite process at the Iijima Zinc Refinery. In zinc and lead processing. Montreal, Canada, 1998, 627-638.
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    Cunxiong Li, Chang Wei, Zhigan Deng, Fan Zhang, Gang Fan, et al. (2019). Extraction of Valuable Metals from High-Iron Zinc Sulfide Concentrate by Reductive Leaching. International Journal of Mineral Processing and Extractive Metallurgy, 3(4), 83-90. https://doi.org/10.11648/j.ijmpem.20180304.12

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    ACS Style

    Cunxiong Li; Chang Wei; Zhigan Deng; Fan Zhang; Gang Fan, et al. Extraction of Valuable Metals from High-Iron Zinc Sulfide Concentrate by Reductive Leaching. Int. J. Miner. Process. Extr. Metall. 2019, 3(4), 83-90. doi: 10.11648/j.ijmpem.20180304.12

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    AMA Style

    Cunxiong Li, Chang Wei, Zhigan Deng, Fan Zhang, Gang Fan, et al. Extraction of Valuable Metals from High-Iron Zinc Sulfide Concentrate by Reductive Leaching. Int J Miner Process Extr Metall. 2019;3(4):83-90. doi: 10.11648/j.ijmpem.20180304.12

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  • @article{10.11648/j.ijmpem.20180304.12,
      author = {Cunxiong Li and Chang Wei and Zhigan Deng and Fan Zhang and Gang Fan and Xingbin Li and Minting Li},
      title = {Extraction of Valuable Metals from High-Iron Zinc Sulfide Concentrate by Reductive Leaching},
      journal = {International Journal of Mineral Processing and Extractive Metallurgy},
      volume = {3},
      number = {4},
      pages = {83-90},
      doi = {10.11648/j.ijmpem.20180304.12},
      url = {https://doi.org/10.11648/j.ijmpem.20180304.12},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ijmpem.20180304.12},
      abstract = {This study was conducted as part of the development of a new process to recover valuable metals of zinc, copper and indium from high-iron zinc sulfide concentrate (HIZSC) by the reductive leaching of high-iron zinc neutral leaching residue (HIZNLR) with zinc concentrate precipitation of copper with iron powder, neutralization of free sulfuric acid with zinc calcine, precipitation of indium with zinc powder and hematite precipitation to reject iron. Among these stages, reductive leaching is the crucial step, which makes that valuable metals in the materials can be effectively leached and ferric iron in the solution is reduced to ferrous iron. The reductive leachate enables copper, indium and iron separation from the solution in the subsequent process. The results show that by increasing the sulfuric acid concentration, HIZSC addition and prolonging the reaction time, the leaching efficiency of zinc, copper, indium and iron in the sample materials was significantly increased. The maximum metal-leaching efficiency was obtained; 84.3% of the iron was in its soluble ferrous state, and zinc ferrite in the HIZNLR was almost entirely dissolved under the experimental conditions of an H2SO4-to-HIZNLR mass ratio of 1.6, a liquid-to-solid ratio of 11.34 mL/g, a temperature of 90°C, an HIZSC addition of 1.05 times of the stoichiometric amount and a reaction time of 5 h.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Extraction of Valuable Metals from High-Iron Zinc Sulfide Concentrate by Reductive Leaching
    AU  - Cunxiong Li
    AU  - Chang Wei
    AU  - Zhigan Deng
    AU  - Fan Zhang
    AU  - Gang Fan
    AU  - Xingbin Li
    AU  - Minting Li
    Y1  - 2019/01/29
    PY  - 2019
    N1  - https://doi.org/10.11648/j.ijmpem.20180304.12
    DO  - 10.11648/j.ijmpem.20180304.12
    T2  - International Journal of Mineral Processing and Extractive Metallurgy
    JF  - International Journal of Mineral Processing and Extractive Metallurgy
    JO  - International Journal of Mineral Processing and Extractive Metallurgy
    SP  - 83
    EP  - 90
    PB  - Science Publishing Group
    SN  - 2575-1859
    UR  - https://doi.org/10.11648/j.ijmpem.20180304.12
    AB  - This study was conducted as part of the development of a new process to recover valuable metals of zinc, copper and indium from high-iron zinc sulfide concentrate (HIZSC) by the reductive leaching of high-iron zinc neutral leaching residue (HIZNLR) with zinc concentrate precipitation of copper with iron powder, neutralization of free sulfuric acid with zinc calcine, precipitation of indium with zinc powder and hematite precipitation to reject iron. Among these stages, reductive leaching is the crucial step, which makes that valuable metals in the materials can be effectively leached and ferric iron in the solution is reduced to ferrous iron. The reductive leachate enables copper, indium and iron separation from the solution in the subsequent process. The results show that by increasing the sulfuric acid concentration, HIZSC addition and prolonging the reaction time, the leaching efficiency of zinc, copper, indium and iron in the sample materials was significantly increased. The maximum metal-leaching efficiency was obtained; 84.3% of the iron was in its soluble ferrous state, and zinc ferrite in the HIZNLR was almost entirely dissolved under the experimental conditions of an H2SO4-to-HIZNLR mass ratio of 1.6, a liquid-to-solid ratio of 11.34 mL/g, a temperature of 90°C, an HIZSC addition of 1.05 times of the stoichiometric amount and a reaction time of 5 h.
    VL  - 3
    IS  - 4
    ER  - 

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Author Information
  • Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China

  • Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China

  • Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China

  • Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China

  • Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China

  • Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China

  • Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China

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