| 发明名称 |
Process for roasting refractory gold ores. |
| 摘要 |
In the oxidative rosting of refractory gold ores in a fluidised bed with fuel addn., the novelty is that sulphur and/or pyrites is added as fuel to the fluidised bed and roasting is carried out at 400-650 (pref. 500-550) deg.C while supplying oxygen-contg. gases.
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| 申请公布号 |
EP0641864(A1) |
申请公布日期 |
1995.03.08 |
| 申请号 |
EP19940202265 |
申请日期 |
1994.08.05 |
| 申请人 |
METALLGESELLSCHAFT AG |
发明人 |
KOFALCK, HANS-HERMANN;SAMANT, GURUDAS, DR.;STURM, PETER |
| 分类号 |
C22B1/06;C22B1/10;(IPC1-7):C22B1/10;C22B11/00 |
主分类号 |
C22B1/06 |
| 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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