发明授权
- 专利标题： Method for the removal of sulfur in the nickel leaching process
- 专利标题（中）： 在镍浸出过程中去除硫的方法
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申请号： US09762443申请日： 2001-03-16
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公开(公告)号： US06387240B1公开(公告)日： 2002-05-14
- 发明人: Leif Rosenback
- 申请人： Leif Rosenback
- 优先权： FI981760 19980817
- 主分类号： C25C108
- IPC分类号： C25C108
摘要：
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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