Investigation of the process of extraction of copper from dust of electric filters of oxygen-flare smelting furnace with sulfuric, thermal, and extractive phosphoric acid
Dilbar RamazonovaYangiyer branch of Tashkent Chemical Technological Institute, Department of Chemical Technology of Inorganic Substances, Yangiyer, UzbekistanZokirjon TurayevNamangan Civil Engineering Institute, Namangan, UzbekistanBakhodir MamurovNamangan Institute of Engineering and Construction, Namangan, UzbekistanAisholpan ShamishovaTermez Institute of Agrotechnologies and Innovative Development, Termez, UzbekistanDiyorbek AbsattorovYangiyer branch of Tashkent Chemical Technological Institute, Department of Chemical Technology of Inorganic Substances, Yangiyer, UzbekistanJasur MakhmayorovYangiyer branch of Tashkent Chemical Technological Institute, Department of Chemical Technology of Inorganic Substances, Yangiyer, UzbekistanIlkham UsmanovYangiyer branch of Tashkent Chemical Technological Institute, Department of Chemical Technology of Inorganic Substances, Yangiyer, UzbekistanMurodjon SamadiyYangiyer branch of Tashkent Chemical Technological Institute, Department of Chemical Technology of Inorganic Substances, Yangiyer, Uzbekistan
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Аннотация
Abstract The results of studies on the extraction of copper from the dust of electrostatic precipitators of oxygen-torch melting with solutions of sulfuric, thermal, extraction phosphoric depending on S:L, concentration and duration of the leaching process are presented. It has been established that the maximum degree of copper extraction is observed when using extractive phosphoric acid, which reaches more than 86%. The optimal parameters for the extraction of copper in extraction phosphoric acid are S:L = 1:10, temperature 90°C and mixing time 25-30 minutes.
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