Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals
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United States of America Patent
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Jul 6, 2010
Grant Date -
Jul 17, 2008
app pub date -
Dec 21, 2005
filing date -
Dec 28, 2004
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Abstract
The invention relates to a method, by means of which the valuable metals contained in a sulphidic, multicomponent concentrate are recovered using hydrometallurgical treatment. One constituent of the concentrate is copper sulphide, which is leached using an alkali chloride-copper (II) chloride solution. The sulphides of other valuable metals, such as zinc, nickel, cobalt and lead are leached before copper leaching and each is recovered as a separate product before copper recovery.
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