发明授权
- 专利标题： Process for electrolytic recovery of zinc from zinc sulfate solutions
- 专利标题（中）： 从硫酸锌溶液中回收锌的工艺
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申请号： US105557申请日： 1979-12-20
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公开(公告)号： US4243499A公开(公告)日： 1981-01-06
- 发明人: Seppo O. Heimala
- 申请人： Seppo O. Heimala
- 申请人地址： FIX Helsinki
- 专利权人： Outokumpu Oy
- 当前专利权人： Outokumpu Oy
- 当前专利权人地址： FIX Helsinki
- 优先权： FIX783984 19781222
- 主分类号： C25C1/16
- IPC分类号： C25C1/16
摘要：
A process for electrolytic recovery of zinc from zinc sulfate solutions according to the electrowinning principle, using an aluminum cathode and a zinc sulfate solution which is devoid of any organic substance and to which at least one of cobalt and nickel has been added in such an amount that the solution contains nickel less than 2 mg/l and cobalt less than 5 mg/l.
公开/授权文献
- US4832458A Display for contrast enhancement 公开/授权日：1989-05-23
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