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An alternative process for refining dore liquid metals

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Material Research Innovations

Abstract 

A novel method for refining gold-containing ores is reported. The method is based on impingement of a controlled oxygen flow on the liquid metal so as to oxidize the impurities. The experiments were carried out both at laboratory scale and pilot-plant scale. The thermodynamics involved, discussed in the light of the experimental results, are quite complex. The oxidation rate of a specific impurity depends on interaction with other constituents of the system.

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Authors and Affiliations

  1. CIATEQ AC, Av. del Retablo 150, Col. Fovisste, Querétaro, Querétaro 76150, Mexico, , , , , , MX

    Miguel A. Alcántara & Francisco Estrada

  2. Facultad de Estudios Superiores ”Cuautitlán”, Universidad Nacional Autónoma de México, AP 1–1010, Querétaro, Querétaro 76001, Mexico, , , , , , MX

    Andres Herrera

  3. Instituto de Física, Universidad Nacional Autónoma de México, AP 1–1010, Querétaro, Querétaro 76000, Mexico e-mail: meneses@servidor.unam.mx, , , , , , MX

    Victor M. Castaño

Authors
  1. Miguel A. Alcántara
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  2. Francisco Estrada
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  3. Andres Herrera
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  4. Victor M. Castaño
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Additional information

Received: 28 November 1999 / Reviewed and accepted: 29 November 1999

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Alcántara, M., Estrada, F., Herrera, A. et al. An alternative process for refining dore liquid metals. Mat Res Innovat 4, 237–240 (2001). https://doi.org/10.1007/s100190000098

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  • DOI: https://doi.org/10.1007/s100190000098

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