JSC Kola MMC, Monchegorsk, Russia.

А. V. Rakitin, Head of the Laboratory of Precious Metals Production Technology of the Scientific Research Laboratory, e-mail: RakitinAV@kolagmk.ru
К. М. Volchek, Chief Specialist of the Laboratory of Precious Metals Production Technology of the Scientific Research Laboratory, e-mail: Volchekkm@kolagmk.ru
А. А. Groshev, Chief Specialist of the Laboratory of Precious Metals Production Technology of the Scientific Research Laboratory, e-mail: GroshevAA@kolagmk.ru
D. А. Karataev, Chief Specialist of the Laboratory of Precious Metals Production Technology of the Scientific Research Laboratory, e-mail: KarataevDA@kolagmk.ru
А. V. Berveno, Chief Manager of the Department of Innovation and Digital Technologies, e-mail: BervenoAV@kolagmk.ru

LLC Nornickel Sputnik, Moscow, Russia.
А. I. Kazmina, Project Manager of the Center for Innovative Technologies, e-mail: KazminaAI@nornik.ru

JSC Kola MMC, being a structural division of PJSC MMC Norilsk Nickel, is one of the flagships of the metallurgical industry and actively implements advanced technologies. One of the areas of technological activity of JSC Kola MMC is the production of precious metal concentrates. The processing of primary raw materials (mainly copper-nickel matte) in JSC Kola MMC makes it possible to obtain marketable metallic nickel and cobalt, sulfuric acid, as well as copper concentrate shipped for further processing outside the company. At the same time, precious metals are concentrated in the resulting processing residues. Primary concentrates of precious metals are further enriched in order to obtain their commercial concentrates. Ultrasonic processing technologies are increasingly being used in various industries due to their unique properties. The effect of ultrasound on the extraction of precious metals (Pt, Pd, Rh, Ir, Ru, etc.) can significantly increase its efficiency. Ultrasonic vibrations contribute to the dispersion of suspensions, improve the interaction of reagents and increase the rate of chemical reactions. This reduces processing costs and improves the quality of the final product in terms of obtaining selective concentrates of precious metals. The effect of ultrasonic exposure on the technological pulp containing precious metals after high-temperature sulphatizing treatment of the primary material to obtain their concentrates before the stage of leaching and filtration is considered. The results of laboratory tests on increasing the extraction of platinum satellite precious metals into individual target products in existing production using ultrasound are presented.

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