Recovery of tungsten and cobalt from secondary raw materials by a combined electrochemical and chemical procedure |
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| Authors: | Zaichenko V N Fomanyuk S S Krasnov Yu S Kolbasov G Ya |
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| Institution: | 1.Vernadsky Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine, Kiev, Ukraine
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| Abstract: | A combined electrochemical and chemical process was developed for the recovery of tungsten and cobalt from hard alloys of
VK grades with the preparation of tungstic acid and cobalt oxalate as intermediates. The subsequent reduction of these intermediates
in hydrogen yields metal powders of increased purity. |
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