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The use of fibrous ion exchangers in gold hydrometallurgy

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Abstract

This article examines a family of ion-exchange fibers, FIBAN, containing primary and secondary amine groups. These ion exchangers have a fiber diameter of 20–40 Μm, high osmotic and mechanic stability, a high rate of adsorption and regeneration, and excellent dynamic characteristics as filtering media. Inparticular, this article discusses the use of FIBAN fibrous ion exchangers in the recovery of gold cyanide andbase-metal cyanides (copper and mercury) from mineral-leaching solutions. The influence of polymer structure and water content on their extraction ability is described, along with key parameters of gold hydrometallurgy such as extraction efficiency, selectivity, pH dependence, gold cyanide loading, kinetics, and stripping.

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Authors and Affiliations

  1. Mineral Processing Laboratory (LAPROM), Universidade Federal Rio Grande do Sul in Porto Alegre, Brazil

    R. M. Kautzmann & C. H. Sampaio

  2. Chemical Engineering Department, Universitat Politècnica de Catalunya in Barcelona, Spain

    J. L. Cortina

  3. Institute of Physical Organic Chemistry, Belarus Academy of Science, Minsk, Belarus

    V. Soldatov & A. Shunkevich

  4. Chemical Engineering Department, Universitat Politècnica de Catalunya, Diagonal, 647, E-08028, Barcelona, Spain

    J. L. Cortina

Authors
  1. R. M. Kautzmann
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  2. C. H. Sampaio
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  3. J. L. Cortina
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  4. V. Soldatov
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  5. A. Shunkevich
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Kautzmann, R.M., Sampaio, C.H., Cortina, J.L. et al. The use of fibrous ion exchangers in gold hydrometallurgy. JOM 54, 47–51 (2002). https://doi.org/10.1007/BF02709222

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