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Anion-exchange separation of rhenium and selenium in schemes for obtaining ammonium perrhenate

  • Chemicometallurgical Processes for Deep Processing of Ore, Man-Caused, and Secondary Raw Materials
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Abstract

Conditions for the quantitative separation of rhenium and selenium using anionites with isoporous structures are investigated with regard to the washing acid of the Balkhashskii Copper-Smelting Plant of KAZAKHMYS Corporation, which allows for the development of a unified technology for processing mixed rhenium-selenium solutions and obtaining end products, namely, high-clean ammonium perrhenate and elementary selenium. The completeness of metal separation is due to the development of methods for removing selenium both at the step of rhenium sorption and at the step of picking dynamic processes of impurities from the resin phase before rhenium desorption. Processes for the frontal-gradient removal of selenium from Purolite A170 weakly alkaline anionite have been developed, as well as marks of ionites for selective selenium sorption in order to obtain an associated product along with ammonium perrhenate.

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References

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Authors and Affiliations

  1. Balkhashskii Copper-Smelting Plant, KAZAKHMYS Corporation, Jezkazgan, Republic of Kazakhstan

    S. V. Zakhar’yan

  2. GINTSVETMET Institute, Moscow, Russia

    E. I. Gedgagov

Authors
  1. S. V. Zakhar’yan
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  2. E. I. Gedgagov
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Correspondence to S. V. Zakhar’yan.

Additional information

Original Russian Text © S.V. Zakhar’yan, E.I. Gedgagov, 2012, published in Khimicheskaya Tekhnologiya, 2012, Vol. 13, No. 7, pp. 420–428.

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Zakhar’yan, S.V., Gedgagov, E.I. Anion-exchange separation of rhenium and selenium in schemes for obtaining ammonium perrhenate. Theor Found Chem Eng 47, 637–643 (2013). https://doi.org/10.1134/S0040579513050138

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  • DOI: https://doi.org/10.1134/S0040579513050138

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