TECHNOLOGICAL FOUNDATIONS OF REDUCING LOSSES OF PRECIOUS METALS DURING COMPREHENSIVE PROCESSING OF COPPER-PORPHYRY MINERALS
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The article examines the material composition and technological characteristics of copper-porphyry ores using the Central Asian deposits—specifically, the Kalmakyr and “Yoshlik” deposits in the Almalyk region—as examples. The mechanisms of rare-metal (gold and silver) losses were analyzed both at the flotation-enrichment stage and during subsequent pyrometallurgical processing. Based on the global experience of processing enterprises, the need to transition from traditional flotation schemes, which ensure the continuous recovery of valuable components, to combined gravity-flotation and hydrometallurgical technologies has been substantiated.
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