发明名称 |
FOERFARANDE FOER SELEKTIV LAKNING AV NICKEL-KOPPARSKAERSTEN |
摘要 |
<p>A finely-ground nickel-copper matte is leached using an acid at a minimum temperature of approx. 80 DEG C. and under oxidizing conditions in order to produce a nickel sulfate solution and a nickel-cooper sulfide residue, which is separated from the solution and thereafter the nickel-copper sulfide residue is leached using acid in an autoclave at a minimum temperature of 110 DEG C. and under oxidizing conditions in order to produce an additional quantity of nickel sulfate solution and a copper sulfide precipitate.</p> |
申请公布号 |
FI64188(C) |
申请公布日期 |
1983.10.10 |
申请号 |
FI19790002057 |
申请日期 |
1979.06.29 |
申请人 |
OUTOKUMPU OY |
发明人 |
SAARINEN HEIMO UNTO AUGUST;SEILO MATTI |
分类号 |
C22B23/00;C01G3/12;C01G51/04;C01G53/10;C22B;C22B3/00;C22B15/00;C22B15/14;C25C1/06;(IPC1-7):C22B3/00;C22B15/08 |
主分类号 |
C22B23/00 |
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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