| 发明名称 |
TREATMENT OF METAL SULPHIDE CONCENTRATES BY ROASTING AND ARC FURNACE SMELT REDUCTION |
| 摘要 |
<p>A process for treating a metal sulphide concentrate which includes the steps of: a) roasting the concentrate to reduce the sulphide content of the concentrate, to a negligible value and b) melting the concentrate, under reducing conditions, in an electrically stabilized open-arc furnace, in particular a DC arc furnace.</p> |
| 申请公布号 |
EP1157139(B1) |
申请公布日期 |
2002.10.09 |
| 申请号 |
EP20000912235 |
申请日期 |
2000.02.25 |
| 申请人 |
MINTEK |
发明人 |
JONES, RODNEY, TREVOR;BARCZA, NICHOLAS, ADRIAN;KAIURA, GARY;O'CONNELL, GARY;HANNAFORD, ANTHONY |
| 分类号 |
C21C5/52;C22B4/00;C22B5/10;C22B5/16;C22B15/00;C22B19/20;(IPC1-7):C22B4/00;C22B9/20 |
主分类号 |
C21C5/52 |
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