发明名称 |
METHOD OF REMOVING IMPURITIES FROM COBALT AND NICKEL |
摘要 |
<p>FIELD: metallurgy; waste water treatment. SUBSTANCE: method involves organic extracts and can be applied in nonferrous and ferrous metallurgy and also to clean industrial and household waste waters. Method consists in using, as extract, a special grease composed of 10-12 wt.-% of oleic acid, 4.5-6.0 wt. -% of triethanolamine, and machine oil (inert diluent). Process is carried out at pH 4-8. Fractional extraction involving selective isolation of impurities is possible. EFFECT: reduced expenses when removing impurities from cobalt and/or nickel. 10 tbll</p> |
申请公布号 |
RU2114198(C1) |
申请公布日期 |
1998.06.27 |
申请号 |
RU19970105317 |
申请日期 |
1997.04.02 |
申请人 |
VOROPANOVA LIDIJA ALEKSEEVNA |
发明人 |
VOROPANOVA L.A.;VELICHKO L.N. |
分类号 |
C22B3/20;(IPC1-7):C22B3/20 |
主分类号 |
C22B3/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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