Studies of the rate of gold sorption by the AM-2B anionite from cyanide-alkaline solutions

D. Kaumetova; A. Koizhanova; Kh. Absalyamov; D. Magomedov; C. Banks

doi:10.31643/2022/6445.10

Authors

D. Kaumetova Non-profit joint-stock company "Karaganda Technical University"
A. Koizhanova Satbayev University, Institute of Metallurgy and Ore Beneficiation JSC
Kh. Absalyamov Non-profit joint-stock company "Kokshetau University named after Sh. Ualikhanov"
D. Magomedov Satbayev University, Institute of Metallurgy and Ore Beneficiation JSC
C. Banks Manchester Metropolitan University

DOI:

https://doi.org/10.31643/2022/6445.10

Keywords:

arsenic, sorption, composites, hybrid sorbents, carbon fiber, chitosan.

Abstract

The paper presents the results of studies on the sorption leaching of gold-containing ore of the Vasilkovskoye deposit. Kinetic dependences of the sorption of gold and associated metals from cyanide-alkali solutions under different physical and chemical factors were obtained. It was found that gold on the AM-2B resin sorbed at a higher rate than, for example, copper and zinc. The solutions were analyzed using modern devices of a new generation: FT-IR spectrometer "Avatar 370". Laboratory studies were performed to determine the gold sorption rate by the AM-2B anionite from cyanide-alkaline solutions. It was found in the process of sorption of gold from multicomponent cyanide-alkali solutions on AM-2B anionite of mixed basicity, with the macroporous structure containing benzyl dimethylamine and dibenzyl dimethyl ammonium functional groups, that an important factor of qualitative and quantitative separation of gold and impurity metals is the concentration of cyanide and hydroxyl ions in solution. The temperature effect on the sorption rate of gold from cyanide-alkali solutions was studied with the temperature dependences F of t, Bt, of t, ln (l - F) of t, and D of t that show that the sorption process of dicyanoaurate ions is controlled by mixed diffusion.

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Author Biographies

D. Kaumetova, Non-profit joint-stock company "Karaganda Technical University"

Ph.D. doctoral student. Non-profit joint-stock company "Karaganda Technical University", Karaganda, Kazakhstan.

A. Koizhanova, Satbayev University, Institute of Metallurgy and Ore Beneficiation JSC

Candidate of technical sciences, head of the laboratory of special methods of hydrometallurgy. Satbayev University, Institute of Metallurgy and Ore Beneficiation JSC, 050013, Almaty, Shevchenko srt., 29/133, Kazakhstan.

Kh. Absalyamov, Non-profit joint-stock company "Kokshetau University named after Sh. Ualikhanov"

Candidate of technical sciences, academician of NAGN, head of the scientific and technical laboratory. Non-profit joint-stock company "Kokshetau University named after Sh. Ualikhanov", Kokshetau, Kazakhstan.

D. Magomedov, Satbayev University, Institute of Metallurgy and Ore Beneficiation JSC

Master, junior research fellow. Satbayev University, Institute of Metallurgy and Ore Beneficiation JSC, 050013, Almaty, Shevchenko srt., 29/133, Kazakhstan.

C. Banks, Manchester Metropolitan University

Professor Manchester Metropolitan University, Manchester, UK.

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