发明名称 |
Förfarande för urlakning av nickelkopparskärsten |
摘要 |
<p>The invention relates to a process for leaching nickel and copper from nickel-copper matte formed in pyrometallurgical nickel production by means of a multi-stage process. It is essential of the invention that the leaching of nickel takes place in at least two stages in conditions where free sulfuric acid is essentially absent, and that in these stages, the leaching of the nickel content of the matte is mainly carried out with copper as the oxidizer.</p> |
申请公布号 |
FI945379(A0) |
申请公布日期 |
1994.11.15 |
申请号 |
FI19940005379 |
申请日期 |
1994.11.15 |
申请人 |
OUTOKUMPU ENGINEERING CONTRACTORS OY |
发明人 |
ILM. MYOEH. |
分类号 |
C22B3/06;C22B7/00;C22B7/04;C22B15/00;C22B23/00;(IPC1-7):C25C |
主分类号 |
C22B3/06 |
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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