Development of a method for processing mixed copper ores with the extraction of gold and copper

Development of scientifically based technologies for processing waste and the industry as a whole, ensuring the extraction of valuable components of non-ferrous and noble metals, is an important direction for increasing the economic efficiency of mining and metallurgical production. In this article, a technological scheme for the complex extraction of copper and noble metals from off-balance mixed copper ores of the Yoshlik-I deposit was developed, and as a result of the experiments, the developed technology was implemented in practice at copper-enrichment plant-1 (CEP-1) of AMMC JSC. At the same time, the optimal parameters of two- stage beneficiation of mixed copper ores at the Knelson concentrator were established, resulting in a gold recovery rate of up to 78% and a comprehensive copper recovery of over 85.4% with additional operations for copper.

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