Extraction of Gold from ores and concentrates by leaching with the use of cyanides and alternative reagents |
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| Authors: | L F Kozin V T Melekhin |
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| Institution: | (1) Vernadskii Institute of General and Inorganic Chemistry, National Academy of Sciences of the Ukraine, Kiev, Ukraine;(2) Ukrpolimetall State Corporation, Kiev, Ukraine |
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| Abstract: | The problems associated with gold mining are considered from the standpoint of application of heap leaching, a method for gold recovery. Data on the kinetics and mechanism of gold dissolution in cyanide and alternative solvents thiocarbamide solutions containing Fe(III) ions and hypochlorite-chloride bromine-bromide, iodine-iodide, and copper-thiosulfate solutions], which make it possible not only to improve the working efficiency in gold mining, but also to lessen the contamination of the environment with highly toxic compounds.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 10, 2004, pp. 1585–1604.Original Russian Text Copyright © 2004 by Kozin, Melekhin. |
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