| 发明名称 |
SETT ATT UTVINNA ICKEJERNMETALLER FRAN SLAGGER OCH ANDRA METALLURGISKA BIPRODUKTER |
| 摘要 |
<p>Non-ferrous metals are extracted from molten slags 9 by treating the latter in an electric furnace with submerged electrodes 2 under a layer of a solid reducing agent 8. During the extraction, a non-oxidizing gas is injected into the molten material at a flow rate of between 0.5 and 10 Nm3/h/ton of material treated (FIG. 1).</p> |
| 申请公布号 |
SE7900288(A) |
申请公布日期 |
1979.07.14 |
| 申请号 |
SE19790000288 |
申请日期 |
1979.01.12 |
| 申请人 |
* METALLURGIE HOBOKEN-OVERPELT |
发明人 |
D E V * VERHULST;R H * MAES;L M * FONTAINAS |
| 分类号 |
C22B5/02;C22B7/04;(IPC1-7):22B7/04 |
主分类号 |
C22B5/02 |
| 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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