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Metallurgist

, Volume 62, Issue 5–6, pp 456–463 | Cite as

Use of Electrolytic Zinc Powder for Cementation of Gold from Cyanide Solutions

  • S. A. Yakornov
  • K. D. Naumov
  • V. G. Lobanov
  • P. A. Kozlov
  • Ya. D. Zelyakh
  • I. M. Krutikov
  • D. Yu. Skopin
  • D. A. Ivakin
Article
  • 17 Downloads

Features of gold cementation from cyanide solutions with electrolytic zinc powder are studied. The test powders are prepared by electro-extraction of alkaline solutions after leaching zinc-containing dust. Cementation is conducted in two regimes: under pressure (Merrill–Crowe process) and a fluidized bed regime. It is established that with respect to degree of gold extraction and specific consumption of test dendritic powder it is no worse or surpasses powders prepared by vapor condensation used traditionally in the gold extraction industry. The features established may be explained by physical features of powders prepared by electro-extraction from alkaline solutions.

Keywords

gold cementation zinc powder electro-extraction alkaline solutions zinc-containing dust 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • S. A. Yakornov
    • 1
  • K. D. Naumov
    • 2
  • V. G. Lobanov
    • 2
  • P. A. Kozlov
    • 1
  • Ya. D. Zelyakh
    • 2
  • I. M. Krutikov
    • 2
  • D. Yu. Skopin
    • 1
  • D. A. Ivakin
    • 1
  1. 1.OOO UGMK-HoldingVerkhnyaya PyshmaRussia
  2. 2.FGAOU VO B. N. El’tsin Ural Federal UniversityEkaterinburgRussia

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