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    Study on the Treatment of Acid Mine Drainage Containing Fe2+ and Mn2+ Using Modified Spontaneous Combustion Gangue

    Xuying Guo1,2,*, Saiou Fu1, Junzhen Di3, Yanrong Dong3, Guoliang Jiang3

    Journal of Renewable Materials, Vol.9, No.3, pp. 541-555, 2021, DOI:10.32604/jrm.2021.012335

    Abstract The high concentrations of Fe2+ and Mn2+ in acid mine drainage make it difficult and expensive to treat. It is urgent that we find a cheap and efficient adsorption material to treat Fe2+ and Mn2+. As a solid waste in mining areas, coal gangue occupies a large area and pollutes the surrounding environment during the stacking process. Developing a method of resource utilization is thus a research hotspot. In this study, we modified spontaneous combustion gangue using NaOH, NaCl, and HCl by chemically modifying the minerals. We determined the optimal conditions for treating Fe2+ and Mn2+ in acid… More >

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