| 发明名称 |
VAERMEBEHANDLING AV LAKNINGSRESTER FRAON HYDROMETALLURGISK PRODUKTION AV ZINK |
| 摘要 |
<p>Pyrometallurgical process for recovering lead, zinc and precious metals from leaching residues and precipitates occuring during the hydrometallurgical production of zinc, comprising a weak oxydizing and reducing treatment of the starting material.</p> |
| 申请公布号 |
FI60240(C) |
申请公布日期 |
1981.12.10 |
| 申请号 |
FI19750000851 |
申请日期 |
1975.03.21 |
| 申请人 |
DET NORSKE ZINKKOMPANI A/S |
发明人 |
PETERSSON STIG ARVID;LINDSTAD TOR;DYVIK FROEYSTEIN;STEINTVEIT GEORG |
| 分类号 |
C22B7/00;C22B19/30;(IPC1-7):C22B19/30 |
主分类号 |
C22B7/00 |
| 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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