发明名称 |
FOERFARANDE FOER UTVINNING AV ICKE-JAERNMETALLER UR SULFIDMATERIAL |
摘要 |
<p>A method for recovering copper and/or other non-ferrous metals from sulphidic raw material by roasting the material to a substantially sulphur-free state and then in a separate furnace sulphatize the roasted material into a form of a readily soluble sulphate and/or basic sulphate and then leaching the sulphatized material with an aqueous sulphuric acid solution. Copper and/or other non-ferrous metals are recovered from the spent leaching solution. The leaching solution is after said recovering recirculated to the leaching stage and to the roasting stage.</p> |
申请公布号 |
FI61522(B) |
申请公布日期 |
1982.04.30 |
申请号 |
FI19760001921 |
申请日期 |
1976.07.01 |
申请人 |
BOLIDEN AB |
发明人 |
GOERLING KARL GOERAN;EDENWALL INGVAR ANTON OLOF;JANSSON JAN-OLOF;MIOEEN THOMAS KONRAD |
分类号 |
C01B17/52;C22B1/04;C22B3/00;C22B3/04;C22B3/08;C22B15/00;(IPC1-7):C22B15/00 |
主分类号 |
C01B17/52 |
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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