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Mechanism and kinetics of sulfite-thiosulfate dissolution of gold

  • Metallurgy of Rare and Noble Metals
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Russian Journal of Non-Ferrous Metals Aims and scope Submit manuscript

Abstract

Dissolution mechanisms of noble metals in aqueous solutions of sodium thiosulfate, sodium sulfite, and their mixture under standard conditions (without heating the medium) in alkali and acidic media are described. The conditions of intensifying the dissolution process are evaluated. The reaction rates are investigated. Based on the obtained data, it is concluded that it is rational to apply the sulfite-thiosulfate solvents of noble metals to recover them from concentrates under the usual conditions.

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References

  1. Zhuchkov, I.A., Mineev, G.G., and Aksenov, A.V., Serosoderzhashchie rastvoriteli blagorodnykh metallov v geokhimicheskikh i metallurgicheskikh protsessakh (Sulfur-Containing Solvents of Noble Metals in Geochemical and Metallurgical Processes), Irkutsk: IrGTU, 2009.

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  2. Belyavskii, M.A., Povedenie zolota i serebra v tiosul’fatnykh i sul’fitnykh sredakh primenitel’no k probleme gidrometallurgicheskoi pererabotki piritnykh ogarkov (Behavior of Gold and Silver in the Thiosulfate and Sulfite Media as Applied to a Problem of Hydrometallurgical Processing of Pyrite Cinders), Moscow: MISiS, 1988.

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  3. Gudkov, A.S., Zhuchkov, I.A., and Mineev, G.G., Izv. Vuzov Tsvetn. Met., 2010, no. 3, p. 35 [Russ. J. Non-Fer. Met. (Engl. Transl.), 2010, vol. 51 no. 3, pp. 233).

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Authors and Affiliations

  1. Irkutsk State Technical University, ul. Lermontova 83, Irkutsk, 664074, Russia

    A. S. Gudkov, I. A. Zhuchkov & G. G. Mineev

  2. OAO Irgiredmet, bul’v. Gagarina 38, Irkutsk, 664000, Russia

    A. S. Gudkov

Authors
  1. A. S. Gudkov
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  2. I. A. Zhuchkov
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  3. G. G. Mineev
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Corresponding author

Correspondence to A. S. Gudkov.

Additional information

Original Russian Text © A.S. Gudkov, I.A. Zhuchkov, G.G. Mineev, 2010, published in Izvestiya VUZ. Tsvetnaya Metallurgiya, 2010, No. 5, pp. 17–21.

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Gudkov, A.S., Zhuchkov, I.A. & Mineev, G.G. Mechanism and kinetics of sulfite-thiosulfate dissolution of gold. Russ. J. Non-ferrous Metals 51, 393–397 (2010). https://doi.org/10.3103/S1067821210050056

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  • DOI: https://doi.org/10.3103/S1067821210050056

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