Method for the removal of sulfur in the nickel leaching process
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United States of America Patent
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May 14, 2002
Grant Date -
N/A
app pub date -
Mar 16, 2001
filing date -
Aug 17, 1998
priority date (Note) -
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Abstract
Invention relates to a method for the removal of sulfur from the leaching cycle of nickel processes such as leaching of nickel matte. According to the method, anolyte generated in nickel electrowinning is neutralized with the aid of a calcium-based neutralizing agents, wherein sulfur is removed from the leaching cycle as gypsum.
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