Adsorption of [Au(CN)2] ions from aqueous solutions on an activated carbon surface

  • R. I. Ibragimova
  • S. F. Grebennikov
  • V. V. Gur’yanov
  • S. A. Kubyshkin
  • N. V. Vorob’ev-Desyatovskii
Physicochemical Processes at the Interfaces


Sorbent capacity and kinetics of the adsorption process on synthetic carbons (FAS grade) and commercial coconut shell activated carbons were studied in the system activated carbon-aqueous solution of sodium dicyanoaurate(I). The effect of progressive activation of carbons on the adsorption value was analyzed. The method of moments was used to calculate the internal diffusion coefficients and show their relation to the structure of activated carbons.


Activate Carbon Furfural Kinetic Curve Effective Diffusion Coefficient Langmuir Equation 
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© Pleiades Publishing, Ltd. 2013

Authors and Affiliations

  • R. I. Ibragimova
    • 1
    • 2
  • S. F. Grebennikov
    • 1
  • V. V. Gur’yanov
    • 3
  • S. A. Kubyshkin
    • 1
  • N. V. Vorob’ev-Desyatovskii
    • 2
  1. 1.St. Petersburg State University of Technology and DesignSt. PetersburgRussia
  2. 2.ZAO Polymetal EngineeringSt. PetersburgRussia
  3. 3.OAO Research and Production Association NeorganikaElektrostal, Moscow oblastRussia

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