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A study of the drainages of the pyrite mines of Aljustrel (Portugal)

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Abstract

Characterization of the pollution charge of drainages from pyrite mines of Aljustrel (Portugal) was made. Laboratory experiments were performed in order to recover copper by cementation and remove iron, zinc and acidity by neutralization with lime. It was found that the removal of the metal ions is completed when pH reaches a step at 5.0–5.5, whichever the ratio between Fe(II) and Fe(III).

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Authors and Affiliations

  1. Centro de Engenharia Química, Faculdade de Engenharia, Rua dos Bragas, 4099, Porto Codex, Portugal

    R. A. Guedes de Carvalho, C. G. Gonzalez Beca, M. N. Martins Sampaio, O. Neves & M. C. Sol Pereira

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  1. R. A. Guedes de Carvalho
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  2. C. G. Gonzalez Beca
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  3. M. N. Martins Sampaio
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  4. O. Neves
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  5. M. C. Sol Pereira
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de Carvalho, R.A.G., Beca, C.G.G., Sampaio, M.N.M. et al. A study of the drainages of the pyrite mines of Aljustrel (Portugal). International Journal of Mine Water 5, 43–55 (1986). https://doi.org/10.1007/BF02498100

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