Recovery of scandium from processing of oxidized nickel ores wastes

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Vladimir Rychkov, Evgeny Kirillov, Sergey Kirillov, Grigory Bunkov, Maxim Botalov, Denis Smyshlyaev, Kseniia Gortsunova, Aslanbek Taukin

One of the possible sources of scandium production – wastes (slags) from processing of oxidized
nickel ores, has been considered in present research work. The hydrometallurgical method has been
selected as the primary for scandium extraction. Different reagents for leaching of scandium, such
as sulfuric acid, various carbonate salts and fluorides, have been examined. Sulfuric acid has been
recognized as an optimal leaching reagent. Sulfuric acid concentration at 100 g/l allowed to extract
the scandium at 97 %.

Diese Kategorie durchsuchen: Minor Metals