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FEATURES OF INTERCRYSTALLINE AND INTERPHASE DIFFUSION PROCESSES IN ACTIVATION HEAP LEACHING OF DISPERSED GOLD



The authors have developed a model of the activation of cyanide leaching of gold based on known experimentally established fact of the effective dissolution of gold in a narrow range of pH=9.3-10.7. According to the results of the pilot tests were analyzed kinetic param-eters of percolation leaching of Au for the standard and experimental (photoelectrochemical) schemes. Identified some features of standard models and experimental schemes of leaching after the analysis of the distribution of points describing the value of the gold content.




: 1
2016
Authors: SEKISOV A. G., MYAZIN V. P., LAVROV A. YU., GONCHAROV D. S.

Authors' Information:
Sekisov A. G., Doctor of Technical Sciences, Professor, Chinakal Institute of Mining of Siberian Branch of Russian Academy of Sciences, Chita branch on the basis of Trans-Baikal State University, Chita, Russia, e-mail: sekisovag@mail.ru,
Myazin V. P., Doctor of Technical Sciences, Professor, Chinakal Institute of Mining of Siberian Branch of Russian Academy of Sciences, Chita branch on the basis of Trans-Baikal State University, Chita, Russia, e-mail: myazin@mail.ru,
Lavrov A. Yu., Candidate of Technical Sciences, Professor, Chinakal Institute of Mining of Siberian Branch of Russian Academy of Sciences, Chita branch on the basis of Trans-Baikal State University, Chita, Russia.
Goncharov D.S., Limited Liability Company Vostokgeologia,




Key words:
Gold leaching, clustering, dispersed forms of gold, diffusion processes.






References:
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aspekty (Dispersed gold. Geological and technological aspects), Moscow, Gornaya kniga, 2012. 7. Sekissov A., Paronyan A., Kouzin V., Lalabekyan N. Patent 5.942.098, USA, International
Class C 25 B 001/00, C 25 C 001/20 Method of treatment of water and method and composition for recovery of presious metal. Filed 12.04.96.

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