发明名称 |
Method for processing metalliferous sludge |
摘要 |
<p>Treating metal-bearing slurry comprises the following: (a) the slurry is dried and exhaust gases are sepd. from solids and drawn off; (b) the dried slurry from (a) is heat treated, the slag formed is discharged and dust-contg. gases are drawn off; (c) coarse particulate from the gases in stage (b) is sepd. and fed to the slurry drying stage (a) together with a proportion of the gases sepd. from the coarse particulate; (d) the remaining gases from stage (c) are sepd. from the (d) contained fine solids and discharged and the fine solids are extracted as product; (e) the solids sepd. in stage (a) are returned to the drying stage (a).</p> |
申请公布号 |
EP0709472(B1) |
申请公布日期 |
1999.06.30 |
申请号 |
EP19950113465 |
申请日期 |
1995.08.28 |
申请人 |
METALLGESELLSCHAFT AKTIENGESELLSCHAFT |
发明人 |
LAUSCH, HERBERT;LOMMERT, HERMANN |
分类号 |
C22B7/02;C22B19/38;(IPC1-7):C22B7/02 |
主分类号 |
C22B7/02 |
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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