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Study on the Effectiveness of Sulfate-Reducing Bacteria Combined with Coal Gangue in Repairing Acid Mine Drainage Containing Fe and Mn

Author

Listed:
  • Yanrong Dong

    (College of Civil Engineering, Liaoning Technical University, Fuxin 123000, China)

  • Junzhen Di

    (College of Civil Engineering, Liaoning Technical University, Fuxin 123000, China)

  • Zhenhua Yang

    (College of Mining, Liaoning Technical University, Fuxin 123000, China)

  • Yuanling Zhang

    (North China Municipal Engineering Design and Research Institute Co., Ltd., Tianjin 300074, China)

  • Xianjun Wang

    (College of Civil Engineering, Liaoning Technical University, Fuxin 123000, China)

  • Xuying Guo

    (College of Science, Liaoning Technical University, Fuxin 123000, China)

  • Zhennan Li

    (Sinosteel Anshan Research Institute of Thermo-energy Co., Ltd., Anshan 114044, China)

  • Guoliang Jiang

    (College of Civil Engineering, Liaoning Technical University, Fuxin 123000, China)

Abstract

In view of the characteristics of the high content of SO 4 2− , Fe 2+ and Mn 2+ in acid mine drainage (AMD) and low pH value, based on adsorption and biological methods, coal gangue was combined with sulfate-reducing bacteria (SRB). On this basis, four dynamic columns, including Column 1 (SRB combined with spontaneous combustion gangue from the Gaode coal mine), Column 2 (SRB combined with spontaneous combustion gangue from Haizhou), Column 3 (SRB combined with gangue from Haizhou), and Column 4 (SRB combined with gangue from Shanxi), were constructed. The efficacy of four columns was compared by the inflow of AMD with different pollution load. Results showed that the repair effect of four columns was: Column 3 > Column 2 > Column 1 > Column 4. In the second stage of the experiment, the repair effect of Column 3 was the best. The average effluent pH value and oxidation reduction potential (ORP) value were 9.09 and –262.83 mV, the highest removal percentages of chemical oxygen demand (COD) and SO 4 2− were 84.41% and 72.73%, and the average removal percentages of Fe 2+ , Mn 2+ were 98.70% and 79.97%, respectively. At the end of the experiment, when deionized water was injected, the fixed effect of AMD in the four columns was stable and no secondary release appeared.

Suggested Citation

  • Yanrong Dong & Junzhen Di & Zhenhua Yang & Yuanling Zhang & Xianjun Wang & Xuying Guo & Zhennan Li & Guoliang Jiang, 2020. "Study on the Effectiveness of Sulfate-Reducing Bacteria Combined with Coal Gangue in Repairing Acid Mine Drainage Containing Fe and Mn," Energies, MDPI, vol. 13(4), pages 1-21, February.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:4:p:995-:d:324215
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    References listed on IDEAS

    as
    1. Yanrong Dong & Junzhen Di & Xianjun Wang & Lindan Xue & Zhenhua Yang & Xuying Guo & Mingwei Li, 2020. "Dynamic Experimental Study on Treatment of Acid Mine Drainage by Bacteria Supported in Natural Minerals," Energies, MDPI, vol. 13(2), pages 1-14, January.
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    Cited by:

    1. Yanrong Dong & Ziqing Gao & Junzhen Di & Dong Wang & Zhenhua Yang & Yunfeng Wang & Zhoufei Xie, 2023. "Study on the Effectiveness of Sulfate Reducing Bacteria to Remove Heavy Metals (Fe, Mn, Cu, Cr) in Acid Mine Drainage," Sustainability, MDPI, vol. 15(6), pages 1-17, March.
    2. Ioana Andreea Petrean & Valer Micle & Marin Șenilă, 2023. "Investigation of Sterile Mining Dumps Resulting from Ore Exploitation and Processing in Maramures County, Romania," Land, MDPI, vol. 12(2), pages 1-21, February.

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