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electrowinning |
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electrowinning [i¦lek·trō′win·iŋ] (metallurgy) Extracting metal from solutions by electrochemical processes. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The solution, which contains the zinc coating, goes through several steps, including an electrowinning process and a centrifugal spinner, that eventually produces the dry, zinc flakes that are shipped to end users. Copper recovery from solution was performed by the conventional solvent extraction and electrowinning process. Annual production is estimated at 70 million pounds of copper cathode over 12 years, using open-pit mining, heap leaching of copper ore at run-of-mine size, solvent extraction and electrowinning. |
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