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Metallurgist
Published in: Metallurgist 7-8/2013

01-11-2013

Features of Gold Cyanide Leaching in a Grinding Cycle

Authors: V. V. Elshin, A. A Kolodin, A. E. Ovsyukov, A. S. Mal’chikhin

Published in: Metallurgist | Issue 7-8/2013

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Abstract

Features of gold cyanide leaching with combined gold-containing ore grinding are provided. Advantages of vibration cyaniding compared with agitation are demonstrated, in particular with respect to dissolution rate. The effect of various reagents on mineral surface tension coefficient facilitating an increase in the degree of grinding capacity is analyzed. The effect of oxygen content and ore impurity components on gold extraction is considered. A considerable role of dissolved oxygen during cyaniding is concluded, and monitoring its content makes it possible to avoid formation of passivating films at a metal surface.
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Literature
1.
E. A. Savari, N. G. Klimenko, A. P. Shapiro, et al., “Intensification of gold dissolution in cyanide solutions,” Tsvet. Met., No. 10, 25 (1970).
2.
V. A. Malinovskii and A. A. Kostyunin, Tsvet. Met., No. 1 (1965).
3.
V. I. Molchanov, O. G. Selezneva, and E. N. Zhirnov, Activation of Minerals During Grinding [in Russian], Nedra, Moscow (1988).
4.
T. N. Melnikova, N. G. Yatlukova, and N. M. Litvinova, “Optimization of ore grinding,” Obogash. Rud, No. 4, 5 (2006).
5.
P. V. Malyarov, V. F. Stepurin, G. M. Soldatov, and N. D. Konnik, “Evaluation of the efficiency of grinding ore and distribution of energy required between stages,” Obogash. Rud, No. 2, 3 (2006).
6.
L. D. Sheveleva, I. A. Poluetkova, A. P. Maistrov, and G. A. Pavlichenko, “One more the effect of impurities in gold extraction by cyaniding,” Tsvet. Met., No. 1, 10 (2000).
7.
S. P. Leonov, P. P. Bubeev, and V. V. Elshin, “Dissolution peculiarities of gold in alkaline oxygen-bearing sodium cyanide solutions,” Proc. 5th South. Hemisph. Meeting Technology, Buenos Aires, Argentina (1997).
8.
P. P. Bubeev, V. V. Elshin, S. P. Leonov, and A. I. Kichkin, “Possibilities of decreasing cyanide concentration in the process of gold leaching,” Proc. Rewas ’99, San Sebastian, Spain (1999).
Metadata
Title
Features of Gold Cyanide Leaching in a Grinding Cycle
Authors
V. V. Elshin
A. A Kolodin
A. E. Ovsyukov
A. S. Mal’chikhin
Publication date
01-11-2013
Publisher
Springer US
Published in
Metallurgist / Issue 7-8/2013
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-013-9784-z

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